參數(shù)資料
型號： TMP86FH09NG
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDIP32
封裝： 0.400 INCH, 1.78 MM PITCH, LEAD FREE, PLASTIC, SDIP-32
文件頁數(shù)： 6/154頁
文件大小： 1433K
代理商： TMP86FH09NG
Page 93
TMP86CH09NG
9.3.5 16-Bit Timer Mode (TC3 and 4)
In the timer mode, the up-counter counts up using the internal clock. The TimerCounter 3 and 4 are cascad-
able to form a 16-bit timer.
When a match between the up-counter and the timer register (TTREG3, TTREG4) value is detected after the
timer is started by setting TC4CR<TC4S> to 1, an INTTC4 interrupt is generated and the up-counter is cleared.
After being cleared, the up-counter continues counting. Program the upper byte and lower byte in this order in
the timer register. (Programming only the upper or lower byte should not be attempted.)
Note 1: In the timer mode, fix TCjCR<TFFj> to 0. If not fixed, the PDOj, PWMj, and PPGj pins may output a pulse.
Note 2: In the timer mode, do not change the TTREGj setting while the timer is running. Since TTREGj is not in the
shift register configuration in the timer mode, the new value programmed in TTREGj is in effect immediately
after programming of TTREGj. Therefore, if TTREGj is changed while the timer is running, an expected
operation may not be obtained.
Note 3: j = 3, 4
Figure 9-6 16-Bit Timer Mode Timing Chart (TC3 and TC4)
Table 9-6 Source Clock for 16-Bit Timer Mode
Source Clock
Resolution
Repeated Cycle
NORMAL1/2, IDLE1/2 mode
SLOW1/2,
SLEEP1/2
mode
fc = 16 MHz
fs = 32.768 kHz
fc = 16 MHz
fs = 32.768 kHz
DV7CK = 0
DV7CK = 1
fc/211
fs/23
128
s244.14 s
8.39 s
16 s
fc/27
–8
s
–
524.3 ms
–
fc/25
–2
s
–
131.1 ms
–
fc/23
–
500 ns
–
32.8 ms
–
Example :Setting the timer mode with source clock fc/27 Hz, and generating an interrupt 300 ms later
(fc = 16.0 MHz)
LDW
(TTREG3), 927CH
: Sets the timer register (300 ms
÷27/fc = 927CH).
DI
SET
(EIRH). 3
: Enables INTTC4 interrupt.
EI
LD
(TC3CR), 13H
:Sets the operating cock to fc/27, and 16-bit timer mode
(lower byte).
LD
(TC4CR), 04H
: Sets the 16-bit timer mode (upper byte).
LD
(TC4CR), 0CH
: Starts the timer.
1
0
2
3
mn-1 mn 0
1
mn-1 mn
2
0
1
2
0
n
?
m
?
Internal
source clock
Counter
Match
detect
Counter
clear
Match
detect
Counter
clear
TC4CR<TC4S>
TTREG3
(Lower byte)
INTTC4 interrupt request
TTREG4
(Upper byte)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMP86FH09NG(ZM) 功能描述:8位微控制器 -MCU TLCS870/C 16K FLASH RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
TMP86FH12MG 制造商:Toshiba America Electronic Components 功能描述:MCU 8BIT TLCS-870 CISC 16KB FLASH 5V 30SSOP - Bulk 制造商:Toshiba America Electronic Components 功能描述:8BIT MCU 16K FLASH 512B RAM 86FH12
TMP86FH12MG(Z) 功能描述:8位微控制器 -MCU 16k Flash MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
TMP86FH46ANG 制造商:Toshiba America Electronic Components 功能描述:MCU 8BIT TLCS-870 CISC 16KB FLASH 5V 42PIN SDIP - Bulk
TMP86FH46ANG(Z) 功能描述:8位微控制器 -MCU 16K Flash MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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