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| 型号： | M37547G4FP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO36 |
| 封装： | 8.40 X 15 MM, 0.80 MM PITCH, PLASTIC, SSOP-36 |
| 文件页数： | 13/99页 |
| 文件大小： | 1029K |
| 代理商： | M37547G4FP |
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REJ03B0156-0122
Rev.1.22
Mar 31, 2009
page 18 of 94
7547 Group
Termination of unused pins
Termination of common pins
I/O ports:
Select an input port or an output port and follow each
processing method.
Output ports: Open.
Input ports: If the input level become unstable, through current
flow to an input circuit, and the power supply current
may increase.
Especially, when expecting low consumption current
(at STP or WIT instruction execution etc.), pull-up or
pull-down input ports to prevent through current (built-
in resistor can be used).
We recommend processing unused pins through a re-
sistor which can secure IOH(avg) or IOL(avg).
Because, when an I/O port or a pin which have an out-
put function is selected as an input port, it may operate
as an output port by incorrect operation etc.
Pin
P00/CAP0
P01/CMP0
P02/CMP1
P03/TXOUT
P04/RxD2
P05/TxD2
P06/SCLK2
P07/SRDY2
P10/RxD1/CAP0
P11/TxD1
P12/SCLK1
P13/SRDY1
P14/CNTR0
P20/AN0–P27/AN7
P30/CAP1
P31/CMP2
P32/CMP3
P33/INT1
P34
P35
P36/INT1
P37/INT0
VREF
XIN
XOUT
Termination 1
(recommend)
I/O port
Connect to Vss.
When only on-chip
oscillator is used, connect
to VCC through a registor.
When external clock is
input or when only on-chip
oscillator is used, open.
Termination 2
When selecting CAP function, per-
form termination of input port.
When selecting CMP0 function,
perform termination of output port.
When selecting CMP1 function,
perform termination of output port.
When selecting TXOUT function,
perform termination of output port.
When selecting RxD2 function,
perform termination of input port.
When selecting TxD2 function,
perform termination of output port.
When selecting external clock input,
perform termination of output port.
When selecting SRDY2 function,
perform termination of output port.
When selecting RxD1 function,
perform termination of input port.
When selecting TxD1 function,
perform termination of output port.
When selecting external clock input,
perform termination of input port.
When selecting SRDY1 function,
perform termination of output port.
When selecting CNTR input function,
perform termination of input port.
When selecting AN function, per-
form termination of input port.
When selecting CAP function, per-
form termination of input port.
When selecting CMP2 function,
perform termination of output port.
When selecting CMP3 function,
perform termination of output port.
When selecting INT function, per-
form termination of input port.
-
When selecting INT function, per-
form termination of input port.
When selecting INT function, per-
form termination of input port.
-
Termination 3
-
When selecting internal clock output,
perform termination of output port.
-
When selecting CAP function, per-
form termination of input port.
-
When selecting internal clock output,
perform termination of output port.
-
When selecting CNTR output function,
perform termination of output port.
-
Termination 4
When selecting key-
on wakeup function,
perform termination
of input port.
-
Table 7 Termination of unused pins
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37547G4FP#U0 | 功能描述:MCU 2/5V 16K 36-SSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 标准包装:250 系列:80C 核心处理器:8051 芯体尺寸:8-位 速度:16MHz 连通性:EBI/EMI，I²C，UART/USART 外围设备:POR，PWM，WDT 输入/输出数:40 程序存储器容量:- 程序存储器类型:ROMless EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:68-LCC（J 形引线） 包装:带卷 (TR) |
| M37547G4-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37548G1FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37548G1-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37548G2FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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