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| 型号： | mPD789322 |
| 厂商： | NEC Corp. |
| 元件分类： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器与2/4/8K字节在系统可编程闪存 |
| 文件页数： | 66/96页 |
| 文件大小： | 482K |
| 代理商： | MPD789322 |
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Preliminary Product Information U14673EJ1V0PM00
69
PD789322,789324,789326,789327
Table 8-1. Status of Hardware After Reset
Hardware
Status After Reset
Program counter (PC)
Note 1
Contents of reset
vector table (0000H,
0001H) set
Stack pointer (SP)
Undefined
Program status word (PSW)
02H
Data memory
Undefined
Note 2
RAM
General-purpose registers
Undefined
Note 2
Ports (P0 to P2, P4, P6, P8) (output latches)
00H
Port mode registers (PM0 to PM2, PM4, PM6, PM8)
FFH
Port function register 8 (PF8)
00H
Pull-up resistor option registers (PU0, PUB2)
00H
Processor clock control register (PCC)
02H
Subclock oscillation mode register (SCKM)
00H
Subclock control register (CSS)
00H
Oscillation stabilization time selection register (OSTS)
04H
Timer counters (TM30, TM40)
00H
Compare registers (CR30, CR40, CRH40)
Undefined
Mode control registers (TMC30, TMC40)
00H
8-bit timer 30, 40
Carrier generator output control register (TCA40)
00H
Watch timer
Mode control register (WTM)
00H
Watchdog timer
Mode register (WDTM)
00H
Serial operation mode register 10 (CSIM10)
00H
Serial interface 10
Transmission/reception shift register 10 (SIO10)
Undefined
Display mode register 0 (LCDM0)
00H
LCD controller/driver
Clock control register 0 (LCDC0)
00H
Power-on-clear circuit
Power-on-clear register 1 (POCF1)
00H
Note 3
Request flag register 0 (IF0)
00H
Mask flag register 0 (MK0)
FFH
External interrupt mode register 0 (INTM0)
00H
Interrupts
Key return mode register 00 (KRM00)
00H
Notes 1. While a reset signal is being input, and during the oscillation stabilization period, only the contents of
the PC will be undefined; the remainder of the hardware will be the same state as after reset.
2. In standby mode, RAM enters the hold state after reset.
3. The value is 04H only after a power-on-clear reset.
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相关代理商/技术参数 |
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|---|---|
| MPD789322GB-XXX-8ET | 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD789324 | 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD789324GB-XXX-8ET | 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD789326 | 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD789326GB-XXX-8ET | 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
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