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參數(shù)資料
| 型號(hào)： | M38039FFHKP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁(yè)數(shù)： | 45/119頁(yè) |
| 文件大?。?/td> | 1818K |
| 代理商： | M38039FFHKP |
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Rev.3.11
Apr 5, 2006
Page 29 of 113
REJ03B0017-0311
3803 Group (Spec.H)
TIMERS
8-bit Timers
The 3803 group (Spec.H) has four 8-bit timers: timer 1, timer 2,
timer X, and timer Y.
The timer 1 and timer 2 use one prescaler in common, and the
timer X and timer Y use each prescaler. Those are 8-bit
prescalers. Each of the timers and prescalers has a timer latch or
a prescaler latch.
The division ratio of each timer or prescaler is given by 1/(n + 1),
where n is the value in the corresponding timer or prescaler latch.
All timers are down-counters. When the timer reaches “0016”, an
underflow occurs at the next count pulse and the contents of the
corresponding timer latch are reloaded into the timer and the
count is continued. When the timer underflows, the interrupt
request bit corresponding to that timer is set to “1”.
Timer divider
The divider count source is switched by the main clock division
ratio selection bits of CPU mode register (bits 7 and 6 at address
003B16). When these bits are “00” (high-speed mode) or “01”
(middle-speed mode), XIN is selected. When these bits are “10”
(low-speed mode), XCIN is selected.
Prescaler 12
The prescaler 12 counts the output of the timer divider. The count
source is selected by the timer 12, X count source selection
register among 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256,
1/512, 1/1024 of f(XIN) or f(XCIN).
Timer 1 and Timer 2
The timer 1 and timer 2 counts the output of prescaler 12 and
periodically set the interrupt request bit.
Prescaler X and prescaler Y
The prescaler X and prescaler Y count the output of the timer
divider or f(XCIN). The count source is selected by the timer 12,
X count source selection register (address 000E16) and the timer
Y, Z count source selection register (address 000F16) among 1/2,
1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, and 1/1024 of
f(XIN) or f(XCIN); and f(XCIN).
Timer X and Timer Y
The timer X and timer Y can each select one of four operating
modes by setting the timer XY mode register (address 002316).
(1) Timer mode
Mode selection
This mode can be selected by setting “00” to the timer X
operating mode bits (bits 1 and 0) and the timer Y operating
mode bits (bits 5 and 4) of the timer XY mode register (address
002316).
Explanation of operation
The timer count operation is started by setting “0” to the timer X
count stop bit (bit 3) and the timer Y count stop bit (bit 7) of the
timer XY mode register (address 002316).
When the timer reaches “0016”, an underflow occurs at the next
count pulse and the contents of timer latch are reloaded into the
timer and the count is continued.
(2) Pulse Output Mode
Mode selection
This mode can be selected by setting “01” to the timer X
operating mode bits (bits 1 and 0) and the timer Y operating
mode bits (bits 5 and 4) of the timer XY mode register (address
002316).
Explanation of operation
The operation is the same as the timer mode’s. Moreover the
pulse which is inverted each time the timer underflows is output
from CNTR0/CNTR1 pin. Regardless of the timer counting or
not the output of CNTR0/CNTR1 pin is initialized to the level of
specified by their active edge switch bits when writing to the
timer. When the CNTR0 active edge switch bit (bit 2) and the
CNTR1 active edge switch bit (bit 6) of the timer XY mode
register (address 002316) is “0”, the output starts with “H” level.
When it is “1”, the output starts with “L” level.
Switching the CNTR0 or CNTR1 active edge switch bit will
reverse the output level of the corresponding CNTR0 or CNTR1
pin.
Precautions
Set the double-function port of CNTR0/CNTR1 pin and port
P54/P55 to output in this mode.
(3) Event Counter Mode
Mode selection
This mode can be selected by setting “10” to the timer X
operating mode bits (bits 1 and 0) and the timer Y operating
mode bits (bits 5 and 4) of the timer XY mode register (address
002316).
Explanation of operation
The operation is the same as the timer mode’s except that the
timer counts signals input from the CNTR0 or CNTR1 pin. The
valid edge for the count operation depends on the CNTR0 active
edge switch bit (bit 2) or the CNTR1 active edge switch bit (bit 6)
of the timer XY mode register (address 002316). When it is “0”,
the rising edge is valid. When it is “1”, the falling edge is valid.
Precautions
Set the double-function port of CNTR0/CNTR1 pin and port
P54/P55 to input in this mode.
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PDF描述 |
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| M38039MCH-XXXKP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| M38039FFHHP | 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| M38037M8H-XXXHP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| M38037M6H-XXXFP | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64 |
| M38039FFHFP | 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38039FFHKP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 3/5V 56K+4K PB-FREE 64-LQFP - Trays |
| M38039FFHP | 制造商:Renesas Electronics Corporation 功能描述: |
| M38039FFHP#U0 | 功能描述:MCU 3/5V 60K PB-FREE 64-LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤(pán) 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| M38039FFHSP#U0 | 功能描述:MCU 3/5V 56K+4K PB-FREE 64-SDIP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤(pán) 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| M38039FFLHP#U0 | 功能描述:IC 3803 MCU FLASH 64LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 產(chǎn)品培訓(xùn)模塊:CAN Basics Part-1 CAN Basics Part-2 Electromagnetic Noise Reduction Techniques Part 1 M16C Product Overview Part 1 M16C Product Overview Part 2 標(biāo)準(zhǔn)包裝:1 系列:M16C™ M32C/80/87 核心處理器:M32C/80 芯體尺寸:16/32-位 速度:32MHz 連通性:EBI/EMI，I²C，IEBus，IrDA，SIO，UART/USART 外圍設(shè)備:DMA，POR，PWM，WDT 輸入/輸出數(shù):121 程序存儲(chǔ)器容量:384KB（384K x 8） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:- RAM 容量:24K x 8 電壓 - 電源 (Vcc/Vdd):3 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 34x10b，D/A 2x8b 振蕩器型:內(nèi)部 工作溫度:-20°C ~ 85°C 封裝/外殼:144-LQFP 包裝:托盤(pán) 產(chǎn)品目錄頁(yè)面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87 |
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