Sony CDX-M50IP Service Manual page 34

Fm/am compact disc player and fm/mw/lw compact disc player
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CDX-M50IP/MR50IP
IC250 ATMEGA32L-8AU-S6 (IPOD BOARD)
ADC3
34
ADC2
35
36
ADC1
37
ADC0
VCC
38
GND
39
INSTRUCTION
INSTRUCTION
PROGRAMMING
LOGIC
40
XCK/T0
T1
41
42
AIN0/INT2
AIN1/OC0
43
SS
44
34
33
32
31
30
29
PORT A
DRIVERS
/BUFFERS
PORT A
DIGITAL
INTERFACE
MUX &
ADC
ADC
INTERFACE
PROGRAM
STACK
COUNTER
POINTER
PROGRAM
SRAM
FLASH
GENERAL
PURPOSE
REGISTER
REGISTERS
X
Y
DECODER
Z
CONTROL
ALU
LINES
STATUS
REGISTER
AVR CPU
SPI
COMP.
INTERFACE
PORT B
DIGITAL
INTERFACE
PORT B
DRIVERS
/BUFFERS
1
2
3
4
5
28
27
TWI
TIMERS
OSCILLATOR
/COUNTERS
INTERNAL
OSCILLATOR
WATCHDOG
TIMER
MCU CTRL.
& TIMING
INTERRUPT
UNIT
EEPROM
USART
OSCILLATOR
6
7
8
26
25
24
23
22
TMC
PORT C
21
TCK
DRIVERS
20
SDA
/BUFFERS
19
SCL
PORT C
DIGITAL
INTERFACE
INTERNAL
CALIBRATED
OSCILLATOR
18
GND
PORT D
DIGITAL
INTERFACE
17
VCC
16
OC2
ICP1
15
PORT D
DRIVERS
14
OC1A
/BUFFERS
13
OC1B
12
INT1
9
10
11

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