Commodore 128 Programmer's Reference Manual page 623

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C128 HARDWARE SPECIFICATIONS 613
I i
SP-
CNT
TOD
FLAG"
IRQ
SP
BUFFER
CNT
BUFFER
TOO
BUFFER
FLAG
BUFFER
IRQ
BUFFER
D0D7
0
DATA BUS BUFFERS
SERIAL
PORT
TOO/
ALARM
INT/
MASK
PRA
DORA
PA
BUFFERS
PC
BUFFER
PRB
DDRB
BUFFERS
TIMER B
CRB
TIMER A
CRA
CHIP ACCESS CONTROL
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R/W 02 CS RS3 RS2 RS1 RSO RES
Figure 16-20. 6526 Block Diagram
PA0-PA7
PC
PB0PB7
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, Vcc
Input/Output Voltage, VIN
Operating Temperature, TOp
Storage Temperature, TSTg
-0.3V to +7.0V
-0.3V to +7.0V
0° C to 70° C
-55° C to 150° C