w65c22 Western Design Center, Inc., w65c22 Datasheet - Page 16

• Manufacturer Part Number: w65c22
• Description: W65c22n And W65c22s Versatile Interface Adapter Via Datasheet
• Manufacturer: Western Design Center, Inc.

T1 Timer Control
7
Table 2-8 Auxiliary Control Register Format and Operation ($0B)
6
7
0
0
1
1
4
0
0
0
0
1
1
1
1
T2 Timer
3
0
0
1
1
0
0
1
1
Control
6
0
1
0
1
5
Operation
Timed interrupt each time
T1 is loaded
Continuous interrupts
Timed interrupt each time
T1 is loaded
Continuous interrupts
2
0
1
0
1
0
1
0
1
1
0
1
5
0
1
Latch Enable/Disable
Shift Register Control
T1 Timer Control
T2 Timer Control
Operation
Disabled
Shift in under control of T2
Shift in under control of PHI2
Shift in under control of external clock
Shift out free running at T2 rate
Shift out under control of T2
Shift out under control of PHI2
Shift out under control of external clock
4
0
0
1
Operation
Timed interrupt
Count down with pulses on
PB6
Shift Register Control
Operation
Disable
Enable latching
3
PB7
Disabled
One shot output
Square wave output
2
PB
1
PA
0
16
ACR