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参数资料
| 型号： | ST62E25CF1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP28 |
| 封装： | WINDOWED, SIDE BRAZED, CERAMIC, DIP-28 |
| 文件页数： | 13/70页 |
| 文件大小： | 1088K |
| 代理商： | ST62E25CF1 |
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20/70
ST62T15C/T25C/E25C
RESETS (Cont’d)
3.2.6 MCU Initialization Sequence
When a reset occurs the stack is reset, the PC is
loaded with the address of the Reset Vector (locat-
ed in program ROM starting at address 0FFEh). A
jump to the beginning of the user program must be
coded at this address. Following a Reset, the In-
terrupt flag is automatically set, so that the CPU is
in Non Maskable Interrupt mode; this prevents the
initialisation routine from being interrupted. The in-
itialisation routine should therefore be terminated
by a RETI instruction, in order to revert to normal
mode and enable interrupts. If no pending interrupt
is present at the end of the initialisation routine, the
MCU will continue by processing the instruction
immediately following the RETI instruction. If, how-
ever, a pending interrupt is present, it will be serv-
iced.
Figure 15. Reset and Interrupt Processing
Figure 16. Reset Block Diagram
RESET
VECTOR
JP
JP:2 BYTES/4 CYCLES
RETI
RETI: 1 BYTE/2 CYCLES
INITIALIZATION
ROUTINE
VA00181
VDD
RESET
RPU
RESD
1)
POWER
WATCHDOG RESET
CK
COUNTER
RESET
ST6
INTERNAL
RESET
fOSC
RESET
ON RESET
LVD RESET
VR02107A
AND. Wired
1) Resistive ESD protection. Value not guaranteed.
20
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| ST62P15CM3 | MICROCONTROLLER, PDSO28 |
| ST62P15CN3 | MICROCONTROLLER, PDSO28 |
| ST6225CN3/CCC | MICROCONTROLLER, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST62E25CF1 | 制造商:STMicroelectronics 功能描述:IC 8BIT MCU EPROM 4K 62E25 DIP28 |
| ST62E25F1/HWD | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCUs WITH A/D CONVERTER |
| ST62E25F1/SWD | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCUs WITH A/D CONVERTER |
| ST62E25LB1/CCC | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET |
| ST62E25LB3/CCC | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET |
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