MC68HC711D3_05 Datasheet, PDF (86/138 Pages) Freescale Semiconductor, Inc – Microcontrollers

Programmable Timer
OSCILLATOR AND
CLOCK GENERATOR
(DIVIDE BY FOUR)
PRESCALER
(÷ 2, 4, 16, 32)
SPR1 AND SPR0
AS
E CLOCK
INTERNAL BUS CLOCK (PH2)
SPI
PRESCALER
(÷ 1, 3, 4, 13)
SCP1 AND SCP0
PRESCALER
(÷ 1, 2, 4,....128)
SCR2–SCR0
E ÷ 2⁶
E ÷ 2¹³
PRESCALER
(÷ 1, 4, 8, 16)
PR1 AND PR0
TCNT
PRESCALER
(÷ 1, 2, 4, 8)
RTR1 AND RTR0
÷4
E÷2¹⁵
PRESCALER
(÷1, 4, 16, 64)
CR1 AND CR0
TOF
FF1
SQ
RQ
SCI RECEIVER CLOCK
÷16
SCI TRANSMIT CLOCK
PULSE ACCUMULATOR
REAL-TIME INTERRUPT
FF2
SQ
RQ
FORCE
COP
RESET
IC/OC
CLEAR COP
TIMER
SYSTEM
RESET
Figure 8-1. Timer Clock Divider Chains
MC68HC711D3 Data Sheet, Rev. 2.1
86
Freescale Semiconductor