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  AVR Applications
AVR 자료실
작성자 leeky        
작성일 2006/03/07
첨부#1 mmc_m163.bas+hex.zip (0KB) (Down:76)
첨부#2 avr_sd1_pcb_asy_shot.jpg (0KB) (Down:16)
Link#1 (Down:6)
ㆍ추천: 0  ㆍ조회: 438   
  M163 SD,MMC Interface

The AVR_SD3 is a very compact 3.3v AVR controller board with an SD/MMC card socket.
It can work with most 40 pin AVR-L mcus such as the can use a Mega323L, Mega163L,
Mega16L, Mega32L or a AT90LS8535 .Other “L” (low power) series AVRs can also be
used with 40 pin carrier boards. The board has a standard Atmel 6 pin ISP programming
header. It can be programmed using Atmels serial ISP hardware which is also compatible
with the BascomAVR compiler.
Printed circuit board layout
[img:avr-sd1-pcb-bot.jpg,align=,width=590,height=253,vspace=0,hspace=0,border=0]
● Parts List
7 - 4.7k resistor (SMD) R1-R7
1 - 330 ohm resistor (SMD) R8
5 - 0.1uf capacitors (SMD)
1 - 1m resistor (SMD) R9
1 - 0.1uf (0r 1uf) ceramic cap C8
1 - 100 ohm resistor R10
1 - 10uf capacitor (radial) C3
1 - 0.1 or 1.0 uf capacitor (radial) C2
1 - LED (SMD)
1 - 4mhz resonator X1
1 - LM2937 3.3v regulator 220case
1 - ATMEGA163L or optional ATMEGA32L mcu
1 - Max3232 (or equiv) 16 pin SOIC
1 - Ramtron 64kbit I2C FRAM or 24LC256 eeprom
1 - DB9F RS232 female connector
1 - SD9 SD/MMC socket (top mount)
1 - Momentary reset switch ( normally open)
1- Printed circuit board
Optional: 1N4001 diode for reverse voltage protection
Misc: header pins
● SD-MMC 메모리 카드 인터페이스 회로도
[img:avr-sd1-sch.jpg,align=,width=591,height=782,vspace=0,hspace=0,border=0]
1. Mount and solder all SMD resistors and capacitors.
C1-C7 are 0.1uf SMD caps, R1-R7 are 4.7k resistors, R8 is 330 ohm. Note: C4-C7 mount
on the backside of the pcb
2. Carefully align and solder the I2C FRAM (mounted on the backside of the pcb). Make
sure to orient the SOIC correctly! Use very little solder!
3. Do the same with the IC3232 SOIC (topside of pcb)
4. Solder the LED. The square pad on the pcb is + and the longer lead of the LED is the
anode (+)
5. Mount and solder the 3.3v regulator and. Make sure that the metal TAB faces the
outer edge of the pcb.
6. Orient and mount the 10uf and 1uf (or .1uf) radial caps. The longer lead is +. Square
pads on the pcb are +
7. Mount the reset switch with the button facing outward and also mount the 10Mhz
resonator
8. Carefully align and solder the SD/MMC socket to the top side of the pcb. Make sure
that the two plastic bosses mate with the two holes on The pcb. Also tack solder the
"ears" for added support.
9. Mount and solder the DB9F and 28 pin IC socket in place.
10. Optionally, solder any header pins that you plan to use.
11. DOUBLE CHECK ALL YOUR WORK. Inspect for solder bridges and cold solder
joints
COMPSys AVR-M controller board MMC test program - May 2002
=========================================================
The MMC163B1.BAS when programmed on the AVR-M controller
board and used with an MMC card wiill test the
read/write/erase functions.
Ranjit Diol
rsdiol@compsys1.com
' Program: MMC.BAS written using Bascom-AVR ver 1.11.6.66
' Basic program to interface with a MMC module using the SPI protocol.
'
'                 BETA CODE
'      **** NOT FOR COMMERCIAL USE *****
'            Ver. 0.0.1  May, 2002   Revised 2005
'
' Project Reference: MMC-M163
' MCU: Atmel Mega163
' Software: Bascom-AVR ver 1.11.6.66
' Atmel Programmer: STK500 development board set at 3.3v.
'                   ISP and terminal output
'
' Note: By changing the XTAL config to 4Mhz it can be used with the AVR-M boards
'
' Initial Date: May 18, 2002
' Projected Completion Date: Unknown
'
' Author: Ranjit Diol
'         rsdiol@compsys1.com
'         http://www.compsys1.com/workbench
'
'***************************************************************
'                      (c) COMPSys, 2002
'                     All Rights Reserved
'***************************************************************
'
'   DISCLAIMER: This file is being released as non-commericial
'   software. It is being provided "AS IS", neither the author,
'   nor COMPSys shall be held liable for any damages caused
'   by its use either directly or indirectly in any form or manner.
'
'===============================================================
'
'Brief: The MMC is a 3volt part therefore all data lines
'       must be conditioned if interfacing with a 5v mcu.
'       Or, a 3.3v MCU can be used such as the AT103L or the AT90LS8535
'
'IMPORTANT NOTE:
'       In SPI mode the MMC's minimum block size is 512 bytes
'       therefore data has to be accumulated first either in an eeprom
'       or in memory before sending it out as a chunk of 512 bytes.
'
'       MMC pins in SPI mode:
'            Pin1:ChipSelect(SS),Pin2:MMC input(MOSI),Pin3:GND,Pin4:3V+,
'            Pin5:Clock(SCK), Pin6:GND, Pin7:MMC output(MISO)
'       M163 pins:
'            Portb.4 SS
'            Portb.5 MISO
'            Portb.6 MOSI
'            Portb.7 SCK
'
'
'==============================================================
$regfile = "m32def.dat"                                     'MCU
'$crystal = 3690000                                          'Set for STK500
$crystal = 4000000                                          'For AVR-M controller board
'SERIAL I/O
'Aux RS232 port on STK500 used
'Hardware RX,TX pins PD0,PD1 used
'Baud 19200
$baud = 19200

'Configure for software SPI
'                    MISO           MOSI             SS             SCK
Config Spi = Soft , Din = Pinb.6 , Dout = Portb.5 , Ss = Portb.4 , Clock = Portb.7
Ddrb = &B10111111

'Constants
Const Msbl = 0
Const Msbh = 1
Const Dly = 2
Const Bits8 = 8
Const Bits16 = 16
Const Bits32 = 32
'Variables
Dim Res(16) As Byte
Dim Indat(512) As Byte                                      'Memory buffer for temp storage.
Dim Dat As Byte
Dim Resp As Byte
Dim Resp2 As Word
Dim I As Word
Dim J As Word
Dim X As Byte
Dim Y As Byte
Dim K As Byte
Dim Bout As Byte
Dim Addr1 As Byte
Dim Addr2 As Byte
Dim Addr3 As Byte
Dim Addr4 As Byte
Dim Addr As Long
Dim Saddr As Long
Dim Eaddr As Long
Dim W_key As String * 1
Dim Maddr1 As Long
Dim Maddr2 As Long
Dim Chkres As Byte
Dim Rbytes As Word
Dim Chr As String * 1
'Aliases
Cs Alias Portb.4
Clk Alias Portb.7
Miso Alias Pinb.6                                           'inp
Mosi Alias Portb.5                                          'out                                      'out
'Declarations
Declare Sub Mprint
Declare Sub Minit
Declare Sub Mstatus
'Declare Sub Mwrite(byval Bout As Byte , Byval Addr As Long )
Declare Sub Mwrite(byval Maddr1 As Long , Byval Maddr2 As Long)
Declare Sub Mread(byval Rbytes As Word , Byval Addr As Long )
Declare Sub Merase(byval Saddr As Long , Byval Eaddr As Long)
Declare Sub Getk
Declare Sub Chkresp(byval Chkres As Byte)
Declare Sub Ld_array
Waitms 300
Spiinit
'******** MAIN PROGRAM *************
Main:
                                                 'First Ascii Character
Print "     MMC Simple Test Program"
Print "   written in BascomAVR 1.11.76"
Print "COMPSys http://www.compsys1.com/workbench"
Print "        (c) COMPSys 2005"
Print "========================================="
Print "This program will initialize and then"
Print "erase a portion of the MMC and will then"
Print "write ASCII characters.Finally, it will"
Print "read the characters stored"
Print "DO NOT USE A CARD WITH IMPORTANT DATA ON IT!"
Gosub Getk
Print "Initializing MMC"
'Initialize the MMCC
Minit
Print "Erase from &H0000 to &H01FF"
Gosub Getk
'Call Erase Subroutine Enter Startaddr , Endaddr
Merase &H00000000 , &H000001FF
Print "Erased! Now read the erased portion"
Gosub Getk
Print "Reading:"
'Call read sub from 512 from address are put in array INDAT
Mread 512 , &H00000000
For I = 1 To 512
   K = Indat(i)
   Print K;
Next I
Print
Print "Fill &H0000 to &H01FF with ASCII characters"
Gosub Getk
'Load the ASCII chars into the array
Ld_array
'call write subroutine as: maddr1, maddr2 32bit addresses
'data which is loaded in the INDAT array is written
Mwrite &H00000000 , &H000001FF
Print "512 Chars written, now read them back"
Gosub Getk
'Call read sub from 512 from address are put in array INDAT
Mread 512 , &H00000000
'The array is now loaded
'Call print sub print 512 bytes stored in INDAT array
Mprint
Print
Print "End of MMC test"
Xloop:
Set Cs
Shiftout Mosi , Clk , Dat , Msbl
Endloop:
Goto Endloop
End                                                         'end program
'************ END OF PROGRAM **************
'======= SUB ROUTINES AND FUNCTIONS =======
'*** INITIALIZATION OF MMC ***
Sub Minit
Set Cs
Dat = &HFF
For I = 1 To 10
  Shiftout Mosi , Clk , Dat , Msbl
Next I
Resp = 255
Reset Cs
Cmd0:
Dat = &H40
Shiftout Mosi , Clk , Dat , Msbl
Addr = &H00000000
Shiftout Mosi , Clk , Addr , Msbl
Dat = &H95
Shiftout Mosi , Clk , Dat , Msbl
Chkresp &H01
'For debugging
'Lcd "C0:" ; Hex(resp)
                                       'Initialized
Set Cs
Waitms 50
Reset Cs
Dat = &HFF
'If it does not initialize correctly
'it will hang in the following loop
Cmd1:
While Resp <> &H00
Set Cs
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Reset Cs
Dat = &H41
Shiftout Mosi , Clk , Dat , Msbl
Addr = 0
Shiftout Mosi , Clk , Addr , Msbl
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Wend
Dat = &HFF
Set Cs
'For debugging
'Lcd "C1:" ; Hex(resp)
Print "MMC initialized"
End Sub
'**** READ routine assumes ADDR uses Status subroutine *****
Sub Mread(byval Addr As Long)
Set Cs
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Reset Cs
Dat = &H51
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Addr , Msbl
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
'While Resp <> 0
'Shiftin Miso , Clk , Resp , Msbl
'Wend
Chkresp &H00
'While Resp <> &HFE
 'Shiftin Miso , Clk , Resp , Msbl
'Wend
Chkresp &HFE
'For debugging
'Lcd Hex(resp)
For I = 1 To 512
    Shiftin Miso , Clk , Resp , Msbl
    Indat(i) = Resp
    'For debugging
    'Lcd Hex(resp);
Next I
Shiftin Miso , Clk , Resp , Msbl
Shiftin Miso , Clk , Resp , Msbl
Set Cs
Mstatus
End Sub

'****Block Start Tag / End Tag and ERASE ****
Sub Merase(byval Saddr As Long , Byval Eaddr As Long)
'Erase first 1024 bytes
'Block START TAG
Cmd32:
Set Cs
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Reset Cs
Dat = &H60
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Saddr , Msbl
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Chkresp &H00
'Block END TAG
Cmd33:
Set Cs
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Reset Cs
Dat = &H61
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Eaddr , Msbl
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Chkresp &H00

'ERASE SELECTED BLOCK
Cmd38:
Set Cs
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Reset Cs
Dat = &H66
Shiftout Mosi , Clk , Dat , Msbl
Addr = 0
Shiftout Mosi , Clk , Addr , Msbl
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Chkresp &H00
Mstatus
End Sub
'** WRITE Routine assumes ADDR, BOUT uses Status subroutine **
'Sub Mwrite(byval Bout As Byte , Byval Addr As Long)
Sub Mwrite(byval Maddr1 As Long , Byval Maddr2 As Long)
Cmd24:
Set Cs
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Reset Cs
Dat = &H58
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Maddr1 , Msbl
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Chkresp &H00
'For debugging
'Lcd "C24:" ; Hex(resp)
'Send data token
Dat = &HFE
Shiftout Mosi , Clk , Dat , Msbl
'For I = Maddr1 To Maddr2
For I = 1 To 512
   Dat = Indat(i)
   Shiftout Mosi , Clk , Dat , Msbl
Next I
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
'If Y = &H05 write is a success
Y = Resp And &H0F
'If Resp = 0 the MMC is busy
Shiftin Miso , Clk , Resp , Msbl
Chkresp &H00

'Lowerline
'For debugging
'Lcd "Wr:" ; Hex(y)
Set Cs
Mstatus
End Sub
'Get MMC Status
Sub Mstatus
Cmd13:
Set Cs
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp , Msbl
Reset Cs
Dat = &H4D
Shiftout Mosi , Clk , Dat , Msbl
Addr = 0
Shiftout Mosi , Clk , Addr , Msbl
Dat = &HFF
Shiftout Mosi , Clk , Dat , Msbl
Shiftout Mosi , Clk , Dat , Msbl
Shiftin Miso , Clk , Resp2 , Msbl
'For debugging
'lcd "Status:" ; Hex(resp2)
Set Cs
'Return
End Sub
'Display data in the array
Sub Mprint
For I = 1 To 512
Dat = Indat(i)
Chr = Chr(dat)
Print Chr ;
Next
End Sub
Sub Getk
Print "Press any key to continue...."
W_key = Waitkey()
End Sub
Sub Chkresp(byval Chkres As Byte)
'NOTE:If the addr is incorrect it will
'never exit the following loop!
'You may want to loop it approx 255 times
'and then if it fails go to an error routine
While Resp <> Chkres
Shiftin Miso , Clk , Resp , Msbl
Wend
End Sub
Sub Ld_array
K = &H21
For I = 1 To 512
Indat(i) = K
Incr K
If K > &H7E Then K = &H21
Next I
End Sub
'===============
'  END OF CODE
'===============
'***************************************************************
'                      (c) COMPSys, 2002
'                     All Rights Reserved
'***************************************************************
'   DISCLAIMER: This file is being released as non-commericial
'   software. It is being provided "AS IS", neither the author,
'   nor COMPSys shall be held liable for any damages caused
'   by its use either directly or indirectly in any form or manner.
'================================================
   
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23 VHF 무선 데이터 송신기 leeky 2006/03/07 (화) 507 0
22 90S2313 1MHz 파형 포착기 leeky 2006/03/07 (화) 229 0
21 VHF 무선 데이터 수신기 avrtools 2006/03/07 (화) 365 0
20 AVR 5x7 Dotmatrix LED leeky 2006/03/07 (화) 240 0
19 Mega163 웹 LCD leeky 2006/03/07 (화) 396 0
18 AVR 이더넷 시험소프트 avrtools 2006/03/07 (화) 297 0
17 AVR 넷트웍 시계 (타임 프로토콜) avrtools 2006/03/07 (화) 376 0
16 RS-232 to 100 MHz RF desktop avrtools 2006/03/07 (화) 238 0
15 AVR 6디지트 50MHz 주파수 카운터 leeky 2006/03/07 (화) 215 0
14 AVR DS1820 온도센서 avrtools 2006/03/07 (화) 252 0
13 AVR 직접주파수 발생기 (AT90S2313 DDS) avrtools 2006/03/07 (화) 374 0
12 프로그래머블 PLL 제어 avrtools 2006/03/07 (화) 223 0
11 AVR AT90S2313 7Segment LED Display leeky 2006/03/07 (화) 219 0
10 TINY15L 무전원 4채널 온도계 avrtools 2006/03/07 (화) 317 0
9 8PIN AVR을 사용한 풀컬러 LED leeky 2006/03/07 (화) 358 0
8 DS1820 고분해능 온도계 avrtools 2006/03/07 (화) 335 0
7 S2313 디지털 전압계 avrtools 2006/03/07 (화) 452 0
6 S2313 적외선 USB 모듈 avrtools 2006/03/07 (화) 319 0
5 S2313 주파수 카운터 avrtools 2006/03/07 (화) 257 0
4 AVR90S2313과 Treva 카메라의 연결 leeky 2006/03/07 (화) 302 0
3 Mega8 PID 온도제어 leeky 2006/02/24 (금) 536 1
2 90S2333 3채널 다이오드 온도계 avrtools 2006/02/24 (금) 244 0
1 AT89S8252로 만드는 1~40MHz DDS leeky 2006/02/14 (화) 315 0
1

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