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Part Name
Description
MC68HC11E9PB3 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
MC68HC11E9PB3
HC11 Microcontrollers
Freescale Semiconductor
'MC68HC11E9PB3' PDF : 242 Pages
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Timing Systems
OSCILLATOR AND
CLOCK GENERATOR
(DIVIDE BY FOUR)
PRESCALER
(
÷
2, 4, 16, 32)
SPR[1:0]
AS
E CLOCK
INTERNAL BUS CLOCK (PH2)
SPI
PRESCALER
(
÷
1, 3, 4, 13)
SCP[1:0]
÷
39
SCP2
*
PRESCALER
(
÷
1, 2, 4,....128)
SCR[2:0]
E
÷
2
6
E
÷
2
13
PRESCALER
(÷
÷
1, 2, 4, 8)
RTR[1:0]
÷
4
E
÷
2
15
SCI RECEIVER CLOCK
÷
16
SCI TRANSMIT CLOCK
PULSE ACCUMULATOR
REAL-TIME INTERRUPT
PRESCALER
(
÷
1, 4, 8, 16)
PR[1:0]
TOF
TCNT
PRESCALER
(
÷
1, 4, 16, 64)
CR[1:0]
FF1
SQ
RQ
FF2
SQ
RQ
IC/OC
* SCP2 present on MC68HC(7)11E20 only
CLEAR COP
TIMER
SYSTEM
RESET
Figure 9-1. Timer Clock Divider Chains
FORCE
COP
RESET
E SERIES TIM DIV CHAIN
M68HC11E Family Data Sheet, Rev. 5.1
128
Freescale Semiconductor
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