Bit Timercounter (Tc3, Tc4); Configuration - Philips CEM2100/00 Service Manual

10. 8-Bit TimerCounter (TC3, TC4)

10.1 Configuration

11 3
A
fc/2 or fs/2
B Y
fc/2 7
C
fc/2 5
D
fc/2 3
E
fs
F
fc/2
16-bit mode
G
fc
H
TC4 pin
S
TC4M
TC4S
TC4CK
TFF4
TC4CR
11 3
A
fc/2 or fs/2
B Y
fc/2 7
C
fc/2 5
D
fc/2 3
E
fs
F
fc/2
G
fc
H
TC3 pin
S
TC3M
TC3S
TC3CK
TFF3
TC3CR
TTREG3
Overflow
A Y
8-bit up-counter
B
S
PWREG4
TTREG4
16-bit
mode
TC3S
Clear
8-bit up-counter
Overflow
PWREG3
Figure 10-1 8-Bit TimerCounter 3, 4
Page 99
PWM mode
Clear
TC4S
PDO, PPG mode
A
Y
B
S
16-bit
mode
S
A
Y
B
PWM, PPG mode
PWM mode
16-bit mode
PDO mode
16-bit mode
Timer,
Event Couter mode
PWM mode
Decode EN
T5CL8
INTTC4
interrupt request
Toggle
Q
Set
PDO4/PWM4/
PPG4 pin
Clear
Timer F/F4
Decode EN
PDO, PWM,
PPG mode
TFF4
INTTC3
interrupt request
Toggle
Q
Set
PDO3/PWM3/
Clear pin
Timer F/F3
PDO, PWM mode
16-bit mode
TFF3