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參數資料
| 型號： | M37540E2FP |
| 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： | 33/88頁 |
| 文件大小： | 872K |
| 代理商： | M37540E2FP |
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7540 Group
Rev.4.00
Jun 21, 2004
page 39 of 82
REJ03B0011-0400Z
Serial I/O2 operation
By writing to the serial I/O2 register (address 003116) the serial I/
O2 counter is set to “7”.
After writing, the SDATA2 pin outputs data every time the transfer
clock shifts from “H” to “L”. And, as the transfer clock shifts from
“L” to “H”, the SDATA2 pin reads data, and at the same time the
contents of the serial I/O2 register are shifted by 1 bit.
When the internal clock is selected as the transfer clock source,
the following operations execute as the transfer clock counts up to
8.
Serial I/O2 counter is cleared to “0”.
Transfer clock stops at an “H” level.
Interrupt request bit is set.
Shift completion flag is set.
Also, the SDATA2 pin is in a high impedance state after the data
transfer is completed (refer to Fig.37).
When the external clock is selected as the transfer clock source,
the interrupt request bit is set as the transfer clock counts up to 8,
but external control of the clock is required since it does not stop.
Notice that the SDATA2 pin is not in a high impedance state on the
completion of data transfer.
Also, after the receive operation is completed, the transmit/receive
shift completion flag is cleared by reading the serial I/O2 register.
At transmit, the transmit/receive shift completion flag is cleared
and the transmit operation is started by writing to serial I/O2 regis-
ter.
Fig. 37 Serial I/O2 timing (LSB first)
D0
Note :
Synchronous clock
Serial I/O2 register
write signal
Transfer clock
(Note)
SDATA2 at serial I/O2
input receive
SDATA2 at serial I/O2
output transmit
Serial I/O2 interrupt request bit set
Transmit/receive shift completion flag set
D1
D2
D3
D4
D5
D6
D7
When the internal clock is selected as the transfer and the direction register of P1 3/SDATA2 pin is set to the input mode,
the SDATA2 pin is in a high impedance state after the data transfer is completed.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| M37540E2GP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 740 SERIES |
| M37540E2SP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37540E8FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 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 產品培訓模塊:CAN Basics Part-1 CAN Basics Part-2 Electromagnetic Noise Reduction Techniques Part 1 M16C Product Overview Part 1 M16C Product Overview Part 2 標準包裝: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 外圍設備:DMA，POR，PWM，WDT 輸入/輸出數:121 程序存儲器容量:384KB（384K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:24K x 8 電壓 - 電源 (Vcc/Vdd):3 V ~ 5.5 V 數據轉換器:A/D 34x10b，D/A 2x8b 振蕩器型:內部 工作溫度:-20°C ~ 85°C 封裝/外殼:144-LQFP 包裝:托盤 產品目錄頁面: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: |
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