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参数资料
| 型号： | M34513E4SP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, OTPROM, 4.2 MHz, MICROCONTROLLER, PDIP32 |
| 封装： | 0.400 INCH, 1.78 MM PITCH, PLASTIC, SDIP-32 |
| 文件页数： | 44/97页 |
| 文件大小： | 1276K |
| 代理商： | M34513E4SP |
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48
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
(1) Power-on reset
Reset can be performed automatically at power on (power-on re-
set) by connecting resistors, a diode, and a capacitor to RESET
pin. Connect RESET pin and the external circuit at the shortest dis-
tance.
Fig. 34 Power-on reset circuit example
(2) Internal state at reset
Table 19 shows port state at reset, and Figure 35 shows internal
state at reset (they are the same after system is released from re-
set). The contents of timers, registers, flags and RAM except
shown in Figure 35 are undefined, so set the initial value to them.
Table 19 Port state at reset
Name
D0–D5
D6/CNTR0, D7/CNTR1
P00–P03
P10–P13
P20/SCK, P21/SOUT, P22/SIN
P30/INT0, P31/INT1
P32, P33 (Note 4)
P40/AIN4–P43/AIN7 (Note 4)
P50–P53 (Note 4)
Notes 1: Output latch is set to “1.”
2: Pull-up transistor is turned OFF.
3: After system is released from reset, port P5 is in the input mode. (Direction register FR0 = 00002)
4: The 4513 Group does not have these ports.
Function
D0–D5
D6, D7
P00–P03
P10–P13
P20–P22
P30, P31
P32, P33
P40–P43
P50–P53
State
High impedance (Note)
High impedance (Notes 1, 2)
High impedance
High impedance (Note 1)
High impedance (Note 3)
RESET pin
WEF
(Note)
Internal reset signal
Voltage drop detection circuit
Watchdog timer output
VDD
RESET pin voltage
Power-on
Reset released
Internal reset signal
Reset state
Note:
This symbol represents a parasitic diode.
Applied potential to RESET pin must be VDD or less.
VDD
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M34513E8 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34513E8FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34513M2 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34513M2-420FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34513M2-XXXFP | 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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