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參數(shù)資料
| 型號： | M37542F8GP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 20/124頁 |
| 文件大?。?/td> | 1238K |
| 代理商： | M37542F8GP |
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7542 Group
Rev.3.03
Jul 11, 2008
Page 114 of 117
REJ03B0006-0303
Notes on Serial I/O1
1. I/O pin function when serial I/O1 is enabled.
The pin functions of P12/SCLK1 and P13/SRDY1 are switched to as
follows according to the setting values of a serial I/O1 mode selec-
tion bit (bit 6 of serial I/O1 control register (address 1A16)) and a
serial I/O1 synchronous clock selection bit (bit 1 of serial I/O1 con-
trol register).
(1) Serial I/O1 mode selection bit → “1” :
Clock synchronous type serial I/O is selected.
Setup of a serial I/O1 synchronous clock selection bit
“0” : P12 pin turns into an output pin of a synchronous clock.
“1” : P12 pin turns into an input pin of a synchronous clock.
Setup of a SRDY1 output enable bit (SRDY)
“0” : P13 pin can be used as a normal I/O pin.
“1” : P13 pin turns into a SRDY1 output pin.
(2) Serial I/O1 mode selection bit → “0” :
Clock asynchronous (UART) type serial I/O is selected.
Setup of a serial I/O1 synchronous clock selection bit
“0”: P12 pin can be used as a normal I/O pin.
“1”: P12 pin turns into an input pin of an external clock.
When clock asynchronous (UART) type serial I/O is selected, it
functions P13 pin. It can be used as a normal I/O pin.
Note on Bus Collision Detection
When serial I/O1 is operating at half-duplex communication, set
bus collision detection interrupt to be disabled.
Notes on Serial I/O2
1. I/O pin function when serial I/O2 is enabled
The pin functions of P06/SCLK2 and P07/SRDY2 are switched to as
follows according to the setting values of a serial I/O2 mode selec-
tion bit (bit 6 of serial I/O2 control register (address 3016)) and a
serial I/O2 synchronous clock selection bit (bit 2 of serial I/O2 con-
trol register).
(1) Serial I/O2 mode selection bit → “1” :
Clock synchronous type serial I/O is selected.
Setup of a serial I/O2 synchronous clock selection bit
“0” : P06 pin turns into an output pin of a synchronous clock.
“1” : P06 pin turns into an input pin of a synchronous clock.
Setup of a SRDY2 output enable bit (SRDY)
“0” : P07 pin can be used as a normal I/O pin.
“1” : P07 pin turns into a SRDY2 output pin.
(2) Serial I/O2 mode selection bit → “0” :
Clock asynchronous (UART) type serial I/O is selected.
Setup of a serial I/O2 synchronous clock selection bit
“0”: P06 pin can be used as a normal I/O pin.
“1”: P06 pin turns into an input pin of an external clock.
When clock asynchronous (UART) type serial I/O is selected, it
functions P07 pin. It can be used as a normal I/O pin.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37542F8GP#U0 | 功能描述:MCU 3/5V 32K+4K PB-FREE 32-LQFP RoHS:是 類別: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:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| M37542F8GPSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP MICROCOMPUTER |
| M37542F8HP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37542F8SP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37542F8SP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 4.0/5.5V 32K PB-FREE 32-SDIP - Trays |
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