參數(shù)資料
型號： HD404828R
廠商： Hitachi,Ltd.
英文描述： AS Microcomputer Incorporating a LCD controller/Driver Circuit(帶LCD控制/驅(qū)動電路的微計算機)
中文描述： 由于微機安裝有LCD控制器/驅(qū)動電路（帶液晶控制/驅(qū)動電路的微計算機）
文件頁數(shù)： 37/147頁
文件大?。?/td> 519K
代理商： HD404828R
HD404829R Series
37
Stop Mode Cancellation by
STOPC
:
The MCU enters active mode from stop mode by inputting
STOPC
as well as by RESET. In either case, the MCU starts instruction execution from the starting
address (address 0) of the program. However, the value of the RAM enable flag (RAME: $021, bit 3)
differs between cancellation by
STOPC
and by RESET. When stop mode is cancelled by RESET, RAME
= 0; when cancelled by
STOPC
, RAME = 1. RESET can cancel all modes, but
STOPC
is valid only in
stop mode;
STOPC
input is ignored in other modes. Therefore, when the program requires to confirm that
stop mode has been cancelled by
STOPC
(for example, when the RAM contents before entering stop mode
is used after transition to active mode), execute the TEST instruction to the RAM enable flag (RAME) at
the beginning of the program.
MCU Operation Sequence:
The MCU operates in the sequence shown in figures 20 to 22. It is reset by
an asynchronous RESET input, regardless of its status.
The low-power mode operation sequence is shown in figure 22. With the IE flag cleared and an interrupt
flag set together with its interrupt mask cleared, if a STOP/SBY instruction is executed, the instruction is
cancelled (regarded as an NOP) and the following instruction is executed. Before executing a STOP/SBY
instruction, make sure all interrupt flags are cleared or all interrupts are masked.
Power on
RESET = 1
RAME = 0
Reset MCU
MCU
operation
cycle
No
Yes
Figure 20 MCU Operating Sequence (Power On)
相關(guān)PDF資料
PDF描述
HD404829R AS Microcomputer Incorporating a LCD controller/Driver Circuit(帶LCD控制/驅(qū)動電路的微計算機)
HD4048412 4-Bit Single-Chip Microcomputer
HD4048412FS 4-Bit Single-Chip Microcomputer
HD4048412H RELAY BASE
HD4048412TF 4-Bit Single-Chip Microcomputer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404828RFS 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:AS Microcomputer Incorporating a LCD controller/Driver Circuit
HD404828RH 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:AS Microcomputer Incorporating a LCD controller/Driver Circuit
HD404828RTF 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:AS Microcomputer Incorporating a LCD controller/Driver Circuit
HD404828TF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD404829FS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
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