参数资料
型号: TMP86CH09NG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, 1.78 MM PITCH, LEAD FREE, PLASTIC, SDIP-32
文件页数: 108/120页
文件大小: 1743K
代理商: TMP86CH09NG
Page 77
TMP86FH09ANG
Example :Duty measurement (resolution fc/27 [Hz])
CLR
(INTTC1SW). 0
; INTTC1 service switch initial setting
Address set to convert INTTC1SW at each INTTC1
LD
(TC1CR), 00000110B
; Sets the TC1 mode and source clock
DI
; IMF
= “0”
SET
(EIRL). 7
; Enables INTTC1
EI
; IMF
= “1”
LD
(TC1CR), 00100110B
; Starts TC1 with an external trigger at MCAP1 = 0
:
PINTTC1:
CPL
(INTTC1SW). 0
; INTTC1 interrupt, inverts and tests INTTC1 service switch
JRS
F, SINTTC1
LD
A, (TC1DRBL)
; Reads TC1DRB (High-level pulse width)
LD
W,(TC1DRBH)
LD
(HPULSE), WA
; Stores high-level pulse width in RAM
RETI
SINTTC1:
LD
A, (TC1DRBL)
; Reads TC1DRB (Cycle)
LD
W,(TC1DRBH)
LD
(WIDTH), WA
; Stores cycle in RAM
:
RETI
; Duty calculation
:
VINTTC1:
DW
PINTTC1
; INTTC1 Interrupt vector
WIDTH
HPULSE
TC1 pin
INTTC1 interrupt request
INTTC1SW
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