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参数资料
| 型号： | M34283G2-XXXGP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20 |
| 文件页数： | 16/41页 |
| 文件大小： | 441K |
| 代理商： | M34283G2-XXXGP |
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Rev.1.01
Mar 20, 2006
page 21 of 62
REJ03B0109-0101
4283 Group
Remarks
Only key-on wakeup function of the port whose pull-down transistor is
turned ON by register PU1 is valid.
Only key-on wakeup function of the port whose pull-down transistor is
turned ON by register PU0 is valid.
Key-on wakeup function is always valid.
Return source
Ports D4–D7
Ports E0, E1, G
Port E2
Return condition
Return by an external “H” level
input.
Return by an external “H” level
input.
Return by an external “H” level
input.
Table 8 Return source and return condition
(5) Pull-down control register
Registers PU0 and PU1 are 4-bit registers and control the
ON/OFF of pull-down transistor and key-on wakeup function
for ports E0, E1, G and ports D4–D7.
Table 9 Pull-down control registers
PU03
PU02
PU01
PU00
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Ports G2, G3 pull-down transistor control
bit
Ports G0, G1 pull-down transistor control
bit
Port E1 pull-down transistor control bit
Port E0 pull-down transistor control bit
Pull-down control register PU0
at reset : 00002
at RAM back-up : state retained
W
0
1
0
1
0
1
0
1
Note: “W” represents write enabled.
Set the contents of register PU0 or PU1 through register A
with the TPU0A or TPU1A instruction, respectively.
(4) Return signal
An external wakeup signal is used to return from the RAM
back-up mode. Table 8 shows the return condition for each
return source.
PU13
PU12
PU11
PU10
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Pull-down transistor OFF, key-on wakeup invalid
Pull-down transistor ON, key-on wakeup valid
Port D7 pull-down transistor control bit
Port D6 pull-down transistor control bit
Port D5 pull-down transistor control bit
Port D4 pull-down transistor control bit
Pull-down control register PU1
at reset : 00002
at RAM back-up : state retained
W
0
1
0
1
0
1
0
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M34286 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34286G2GP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34286G2GP#U0 | 功能描述:MCU 1.8/3.6V 2KB ROM 20-LSSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:720/4500 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA，UART/USART 外围设备:欠压检测/复位，LED，POR，PWM，WDT 输入/输出数:16 程序存储器容量:4KB（4K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND |
| M34286G2GP#WC | 制造商:Renesas Electronics Corporation 功能描述:4BIT MCU |
| M34286G2-XXXGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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