參數(shù)資料
型號(hào): HD4048412TF
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁(yè)數(shù): 31/125頁(yè)
文件大?。?/td> 471K
代理商: HD4048412TF
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HD404849 Series
31
Active Mode:
All MCU functions operate according to the clock generated by the system oscillator OSC
1
and OSC
2
.
Standby Mode:
In standby mode, the oscillators continue to operate, but the clocks related to instruction
execution stop. Therefore, the CPU operation stops, but all RAM and register contents are retained, and the
D or R port status, when set to output, is maintained. Peripheral functions such as interrupts, timers, and
serial interface continue to operate. The power dissipation in this mode is lower than in active mode
because the CPU stops.
The MCU enters standby mode when the SBY instruction is executed in active mode.
Standby mode is terminated by a
RESET
input or an interrupt request. If it is terminated by
RESET
input,
the MCU is reset as well. After an interrupt request, the MCU enters active mode and executes the next
instruction after the SBY instruction. If the interrupt enable flag is 1, the interrupt is then processed; if it is
0, the interrupt request is left pending and normal instruction execution continues. A flowchart of
operation in standby mode is shown in figure 15.
相關(guān)PDF資料
PDF描述
HD404848 4-Bit Single-Chip Microcomputer
HD404848FS 4-Bit Single-Chip Microcomputer
HD404848H RELAY SOCKET
HD404848TF PLASTIC-GRIP
HD404849 TERMINAL
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404848 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404848FS 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404848H 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404848TF 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404849 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer