Read Harman Kardon AVR 135 (serv.man3) Service Manual online
S3C84BB
/F84BB
U-COM BLOCK DIAGRAM , PIN ASSIGNMENT & PIN DESCRIPTIONS
BLOCK DIAGRAM (IC74)
I/O Port and Interrupt Control
SAM88RC CPU
64K-Byte
ROM
2064-Byte
RAM
OSC/RESETB
8-Bit
Basic Timer
8-Bit
Timer
/CounterA,B
8-Bit
Timer/
CounterC0,C1
16-Bit
Timer
/Counter10,11
Port 0
Port 1
A/D
Port 2
P2.0-P2.7
X
IN
X
OUT
RESETB
P2.7/TAOUT
P2.6/TACAP
P2.5/TACK
P3.6/TCOUT1
P2.4/TBOUT
P3.4/T1OUT0
P1.0-P1.7
P0.0-P0.7
AV
REF
AV
SS
Port 3
P3.0-P3.7
Port 4
P4.0-P4.7/
INT0~INT7
Port 5
P5.0-P5.7
Port 6
P6.0-P6.7
SIO/
UART0,1
PG
P3.7/TCOUT0
P0.0~P0.7/
PG0~PG7
P3.2/T1CAP0
P3.0/T1CK0
P3.5/T1OUT1
P3.3/T1CAP1
P3.1/T1CK1
P2.2/SCK
P2.1/SI
P2.0/SO
P5.3/RXD0
P5.2/TXD0
P5.1/RXD1
P5.0/TXD1
Port 8
Port 7
D/A
P7.0-P7.7/
ADC0~ADC7
P8.0-P8.5/
INT8,INT9
P2.3/
DAOUT
Figure 1-1. S3C84BB/F84BB Block Diagram
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