參數(shù)資料
型號(hào): HD404848FS
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁數(shù): 28/125頁
文件大?。?/td> 471K
代理商: HD404848FS
HD404849 Series
28
Operating Modes
The MCU has five operating modes as shown in table 19. The operations in each mode are listed in tables
20 and 21. Transitions between operating modes are shown in figure 14.
Table 19 Operating Modes and Clock Status
Mode Name
Active
Standby
Stop
Watch
Subactive
*
2
INT
or timer A
interrupt
request from
watch mode
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
Status
System
oscillator
OP
OP
Stopped
Stopped
Stopped
Subsystem
oscillator
OP
OP
OP
*
1
OP
OP
Cancellation
method
RESET
input,
STOP/SBY
instruction
RESET
input,
interrupt
request
RESET
input,
STOPC
input
in stop mode
RESET
input
INT
or timer A
interrupt
request
RESET
input,
STOP/SBY
instruction
Notes: OP implies in operation.
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.
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HD404848H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404848TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
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HD404849FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404849H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer