参数资料
型号: ST72121J2T3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, TQFP-44
文件页数: 30/87页
文件大小: 1365K
代理商: ST72121J2T3/XXX
36/87
ST72121
16-BIT TIMER (Cont’d)
Figure 24. Input Capture Block Diagram
Figure 25. Input Capture Timing Diagram
ICIE
CC0
CC1
16-BIT FREE RUNNING
COUNTER
IEDG1
(Control Register 1) CR1
(Control Register 2) CR2
ICF2
ICF1
0
(Status Register) SR
IEDG2
ICAP1
ICAP2
EDGE DETECT
CIRCUIT2
16-BIT
IC1R
IC2R
EDGE DETECT
CIRCUIT1
FF01
FF02
FF03
TIMER CLOCK
COUNTER REGISTER
ICAPi PIN
ICAPi FLAG
ICAPi REGISTER
Note: A
ctive edge is rising edge.
36
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