Datasheet

Programmable Timer
MC68HC711D3 Data Sheet, Rev. 2.1
86 Freescale Semiconductor
Figure 8-1. Timer Clock Divider Chains
OSCILLATOR AND
CLOCK GENERATOR
AS
E CLOCK
SPI
SCI RECEIVER CLOCK
SCI TRANSMIT CLOCK
E ÷ 2
6
PULSE ACCUMULATOR
TCNT
TOF
REAL-TIME INTERRUPT
E ÷ 2
13
÷4
E÷2
15
RQ
Q
S
R
Q
Q
S
FORCE
COP
RESET
SYSTEM
RESET
CLEAR COP
TIMER
FF2
FF1
(DIVIDE BY FOUR)
INTERNAL BUS CLOCK (PH2)
IC/OC
÷16
CR1 AND CR0
PRESCALER
(÷1, 4, 16, 64)
PRESCALER
(÷ 2, 4, 16, 32)
SPR1 AND SPR0
PRESCALER
(÷ 1, 3, 4, 13)
SCP1 AND SCP0
PRESCALER
(÷ 1, 2, 4, 8)
RTR1 AND RTR0
PRESCALER
(÷ 1, 2, 4,....128)
SCR2–SCR0
PRESCALER
(÷ 1, 4, 8, 16)
PR1 AND PR0