參數(shù)資料
型號: HD40A4669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計(jì)算機(jī))
中文描述: 低電壓如同在微機(jī)芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計(jì)算機(jī))
文件頁數(shù): 31/142頁
文件大?。?/td> 894K
代理商: HD40A4669
HD404669 Series
31
Operating Modes
The MCU has five operating modes as shown in table 11. The operations in each mode are listed in table
12. Transitions between operating modes are shown in figure 14.
Table 11
Operating Modes and Clock Status
Mode Name
Active
Standby
Stop
Watch
Subactive
*
2
Activation
method
RESET
cancellation,
interrupt
request,
STOPC
cancellation
in stop mode,
STOP/SBY
instruction in
subactive mode
(when direct
transfer is
selected)
SBY
instruction
STOP
instruction
when
TMA3 = 0
STOP
instruction
when
TMA3 = 1
STOP/SBY
instruction in
subactive mode
(except when
direct transition is
specified)
INT
0
or timer A
interrupt request
from watch
mode
when
LSON = 1
Status
System
oscillator
Operation
Operation
Stopped
Stopped
Stopped
Subsystem
oscillator
Operation
Operation
*
1
Operation
Operation
Cancellation
method
RESET input,
STOP/SBY
instruction
RESET input,
interrupt
request
RESET input,
STOPC
input
RESET input,
INT
0
or timer A
interrupt
request
RESET input,
STOP/SBY
instruction
Notes: 1. Operating or stopping the oscillator can be selected by setting bit 3 of the system clock select
register (SSR: $029).
2. Subactive mode is an optional function; specify it on the function option list.
相關(guān)PDF資料
PDF描述
HD404668 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計(jì)算機(jī))
HD404669 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計(jì)算機(jī))
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