ST72652 查看數據表（PDF） - STMicroelectronics
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ST72652 Datasheet PDF : 166 Pages
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16-BIT TIMER (Cont’d)
Figure 45. Timer Block Diagram
fCPU
ST7 INTERNAL BUS
MCU-PERIPHERAL INTERFACE
8 high
EXEDG
8 low
8-bit
buffer
88
88
16
1/2
1/4
1/8
COUNTER
REGISTER
OUTPUT
COMPARE
REGISTER
1
OUTPUT
COMPARE
REGISTER
2
ALTERNATE
COUNTER
REGISTER
CC[1:0]
16
TIMER INTERNAL BUS
16 16
OVERFLOW
DETECT
CIRCUIT
OUTPUT COMPARE
CIRCUIT
6
ST7265x
0 OCF1 TOF 0 OCF2 0 0 0
(Status Register) SR
LATCH1
LATCH2
OCMP1
pin
OCMP2
pin
0 OCIE TOIE FOLV2 FOLV1OLVL2 0 OLVL1
(Control Register 1) CR1
OC1E OC2E 0
0 CC1 CC0 0
0
(Control Register 2) CR2
TIMER INTERRUPT
81/166
1
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