MC68HC901 Datasheet, PDF (43/73 Pages) Motorola, Inc – Multi-Function Peripheral

Timers
AC3
BC3
1
1
1
1
1
1
1
AC2
BC2
0
0
0
1
1
1
1
AC1
BC1
0
1
1
0
0
1
1
AC0
BC0
1
0
1
0
1
0
1
OPERATION MODE
Pulse Width Mode, ÷ 4 Prescaler
Pulse Width Mode, ÷ 10 Prescaler
Pulse Width Mode, ÷ 16 Prescaler
Pulse Width Mode, ÷ 50 Prescaler
Pulse Width Mode, ÷ 64 Prescaler
Pulse Width Mode, ÷ 100 Prescaler
Pulse Width Mode, ÷ 200 Prescaler
TCDCR REGISTER
BIT
7
FIELD
*
RESET
0
ADDR
6
CC2
0
5
CC1
0
4
3
CC0
*
0
0
$1D
2
DC2
0
1
DC1
0
0
DC0
0
Bit 7, Bit 3 — *Unused
Unused bits read as zero.
CC2-CC0/DC2-DC0 — Select Timer C and D Operation Mode
When the timer is stopped, counting is inhibited. The contents of the timer’s main counter
are not affected, although any residual count in the prescaler is lost.
CC2
DC2
0
0
0
0
1
1
1
1
CC1
DC1
0
0
1
1
0
0
1
1
CC0
DC0
0
1
0
1
0
1
0
1
OPERATION MODE
Timer Stopped
Delay Mode, ÷ 4 Prescaler
Delay Mode, ÷ 10 Prescaler
Delay Mode, ÷ 16 Prescaler
Delay Mode, ÷ 50 Prescaler
Delay Mode, ÷ 64 Prescaler
Delay Mode, ÷ 100 Prescaler
Delay Mode, ÷ 200 Prescaler
6-6
MC68HC901 USER’S MANUAL
MOTOROLA