6526
6526 is COMPLEX INTERFACE ADAPTER manufactured by Commodore.
DESCRIPTION
The 6526 plex Interface Adapter (CIA) is a 65XX bus patible peripheral Interface device with extremely flexible timing and I/O capabilities.
FEATURES
- 16 Individually programmable I/O lines
- 8 or 16-Bit handshaking on read or write
- 2 independent, linkable 16-Bit interval timers
- 24-hour (AM/PM) time of day clock with programmable alarm
- 8-Bit shift register for serial I/O
- 2TTL Load capability
- CMOS patible I/O lines
- 1 or 2 MHz operation available
ORDERING INFORMATION MXS 6526
1 40 CNT
PAO 2
39 SP
PA1 3 PA2 4 PA3 5 PA4 6 PA5 7
38 RSO 37 RS1 36 RS2 35 RS3 34 RES
PA6 8
33 DBO
PA7 9
32 DB1
PBO 10 6526 31 DB2
PB1 11
30 DB3
PB2 12
29 DB4
PB3 13
28 DB5
PB4 14
27 DB6
PB5 15-
PB6 16
PB7 17
Pc 18
TOO 19 vee 20
26 DB7 25 ~2
24 FLAG
23 es
22 RNV 21...
