參數(shù)資料
型號(hào)： UPD17232
廠(chǎng)商： NEC Corp.
元件分類(lèi)： 4位微控制器
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述： 4位單片機(jī)的小型通用紅外遙控器
文件頁(yè)數(shù)： 60/92頁(yè)
文件大?。?/td> 378K
代理商： UPD17232
Data Sheet U14360EJ1V0DS00
μ
PD17230, 17231, 17232, 17233, 17234, 17235, 17236
60
9.3
Reset by Stack Pointer (With RESET pin internally pulled down)
When the value of the stack pointer reaches 6H or 7H during program execution, the RESET pin is internally pulled
down, and the program counter is reset to 0 (normally, the RESET pin is pulled up).
Therefore, if an interrupt or CALL instruction is executed when the value of the stack pointer is 0 (stack underflow)
or if the stack level exceeds 6 as a result of execution of the RET instruction because the correspondence between
the CALL and RET instructions is not established (stack overflow), the program can be restarted from address 0H.
Table 9-1. Status of Each Hardware After Reset
Hardware
RESET Input During
Standby Mode
RESET Input
During Operation
Program counter (PC)
0000H
0000H
Port
Input/output
Input
Input
Output latch
0
0
Data memory (RAM)
General-purpose data memory
(Except DBF, port register)
Retains previous
status
Undefined
DBF
0320H
0320H
System register (SYSREG)
0
0
WR
Retains previous
status
Undefined
Control register
Refer to
Figure 11-1 Register Files
8-bit timer
Counter (TMC)
00H
00H
Modulo register (TMM)
FFH
FFH
Remote controller carrier
generator
NRZ high-level timer modulo register (NRZHTMM)
Retains previous
status
Undefined
NRZ low-level timer modulo register (NRZLTMM)
Basic interval timer/watchdog timer counter
00H
00H
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD17232MC 制造商:NEC 制造商全稱(chēng):NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17233 制造商:NEC 制造商全稱(chēng):NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17233MC 制造商:NEC 制造商全稱(chēng):NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17234 制造商:NEC 制造商全稱(chēng):NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17234MC 制造商:NEC 制造商全稱(chēng):NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
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