AVR 134 - Harman Kardon Audio Service Manual (repair manual). Page 10

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10
2. Block Diagram
16-bit TIMER/
EVENT COUNTER 00
16-bit TIMER/
EVENT COUNTER 01
TO00/TI010/P01
TI000/P00 (LINSEL)
RxD6/P14 (LINSEL)
TO01
Note 2
/TI011
Note 2
/P06
TI001
Note 2
/P05
TOH0/P15
TOH1/P16
TI50/TO50/P17
TI51/TO51/P33
RxD0/P11
TxD0/P10
RxD6/P14
TxD6/P13
SI10/P11
SO10/P12
SCK10/P10
8-bit TIMER H0
8-bit TIMER H1
WATCHDOG TIMER
WATCH TIMER
INTERNAL
LOW-SPEED
OSCILLATOR
SERIAL
INTERFACE UART0
78K/0
CPU
CORE
BANK
SERIAL
INTERFACE UART6
LINSEL
SERIAL
INTERFACE CSI10
8-bit TIMER/
EVENT COUNTER 50
8-bit TIMER/
EVENT COUNTER 51
SERIAL
INTERFACE IIC0
A/D CONVERTER
SERIAL INTERFACE 
CSI11
Notes  1. Available only in the PD78F0536, 78F0537, and 78F0537D.
            2. Available only in the PD78F0534, 78F0535, 78F0536, 78F0537, and 78F0537D.
            3. Available only in the PD78F0537D.
Note2
Note2
Note1
Note2
Note2
Note3
8
INTERRUPT
CONTROL
2
4
PORT 0
7
P00 to P06
PORT 1
8
P10 to P17
PORT 2
8
P20 to P27
PORT 3
4
P30 to P33
PORT 4
4
P40 to P43
PORT 5
4
P50 to P53
PORT 6
4
P60 to P63
PORT 7
8
P70 to P77
PORT 12
5
P120 to P124
PORT 13
P130
PORT 14
2
P140, P141
BUZZER OUTPUT
BUZ/P141
CLOCK OUTPUT
CONTROL
PCL/P140
KEY RETURN
8
KR0/P70 to
KR7/P77
RESET CONTROL
MULTIPLIER &
DIVIDER
ON-CHIP DEBUG
SYSTEM
CONTROL
INTERNAL
HIGH-SPEED
OSCILLATOR
VOLTAGE
REGULATOR
POWER ON CLEAR/
LOW VOLTAGE
INDICATOR
EXLVI/P120
RESET
REGC
X1/P121
X2/EXCLK/P122
XT1/P123
XT2/EXCLKS/P124
POC/LVI
CONTROL
FLASH
MEMORY
INTERNAL
HIGH-SPEED
RAM
INTERNAL
EXPANSION
RAM      
V
DD
,
EV
DD
V
SS
,
EV
SS
FLMD0
OCD0A
Note 3
/X1, OCD1A
Note 3
/P31
OCD0B
Note 3
/X2, OCD1B
Note 3
/P32
SI11
Note 2
/P03
SO11
Note 2
/P02
SCK11
Note 2
/P04
SSI11
Note 2
/P05
EXSCL0/P62
SDA0/P61
SCL0/P60
ANI0/P20 to
ANI7/P27
AV
REF
AV
SS
RxD6/P14 (LINSEL)
INTP0/P120 (LINSEL)
INTP1/P30 to
INTP4/P33
INTP5/P16
INTP6/P140,
INTP7/P141
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