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參數(shù)資料
| 型號(hào)： | M37540E8FP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 18/88頁 |
| 文件大小： | 872K |
| 代理商： | M37540E8FP |
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7540 Group
Rev.4.00
Jun 21, 2004
page 25 of 82
REJ03B0011-0400Z
(4) Pulse width measurement mode
In the pulse width measurement mode, the pulse width of the sig-
nal input to P14/CNTR0 pin is measured.
The operation of Timer X can be controlled by the level of the sig-
nal input from the CNTR0 pin.
When the CNTR0 active edge switch bit is “0”, the signal selected
by the timer X count source selection bit is counted while the input
signal level of CNTR0 pin is “H”. The count is stopped while the
pin is “L”. Also, when the CNTR0 active edge switch bit is “1”, the
signal selected by the timer X count source selection bit is
counted while the input signal level of CNTR0 pin is “L”. The count
is stopped while the pin is “H”.
Timer X can stop counting by setting “1” to the timer X count stop
bit in any mode.
Also, when Timer X underflows, the timer X interrupt request bit is
set to “1”.
Note on Timer X is described below;
s Note on Timer X
CNTR0 interrupt active edge selection
CNTR0 interrupt active edge depends on the CNTR0 active edge
switch bit.
When this bit is “0”, the CNTR0 interrupt request bit is set to “1” at
the falling edge of CNTR0 pin input signal. When this bit is “1”, the
CNTR0 interrupt request bit is set to “1” at the rising edge of
CNTR0 pin input signal.
Fig. 23 Structure of timer X mode register
Fig. 24 Timer count source set register
Timer X mode register
(TXM : address 002B 16, initial value: 0016)
CNTR0 active edge switch bit
0 : Interrupt at falling edge
Count at rising edge
(in event counter mode)
1 : Interrupt at rising edge
Count at falling edge
(in event counter mode)
Timer X operating mode bits
b1 b0
0
0 : Timer mode
0
1 : Pulse output mode
1
0 : Event counter mode
1
1 : Pulse width measurement mode
Not used (return “0” when read)
Timer X count stop bit
0 : Count start
1 : Count stop
b7
b0
P03/TXOUT output valid bit
0 : Output invalid (I/O port)
1 : Output valid (Inverted CNTR 0 output)
Timer count source set register
(TCSS : address 002E16, initial value: 0016)
b7
b0
Timer X count source selection bits
b1 b0
0
0 : f(XIN)/16
0
1 : f(XIN)/2
1
0 : f(XIN) (Note 1)
1
1 : Not available
Timer Y count source selection bits
b3 b2
0
0 : f(XIN)/16
0
1 : f(XIN)/2
1
0 : On-chip oscillator output (Note 2)
1
1 : Not available
Timer Z count source selection bits
b5 b4
0
0 : f(XIN)/16
0
1 : f(XIN)/2
1
0 : Timer Y underflow
1
1 : Not available
Fix this bit to “0”.
Not used (return “0” when read)
Notes 1: f(XIN) can be used as timer X count source when using
a ceramic resonator or on-chip oscillator.
Do not use it at RC oscillation.
2: System operates using an on-chip oscillator as a count source
by setting the on-cihp oscillator to oscillation enabled by bit 3
of CPUM.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37540E8FP#U0 | 功能描述:MCU 2/5V 32K PB-FREE 36-SSOP RoHS:是 類別: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 產(chǎn)品目錄頁面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87 |
| M37540E8FP(#UO) | 制造商:Renesas Electronics Corporation 功能描述: |
| M37540E8GP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37540E8GP#U0 | 功能描述:IC 7540 MCU OTP 32K 32LQFP RoHS:是 類別: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 產(chǎn)品目錄頁面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87 |
| M37540E8SP | 制造商:Renesas Electronics Corporation 功能描述: |
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