參數(shù)資料
型號(hào)： HD4074618
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)： 29/89頁
文件大?。?/td> 358K
代理商： HD4074618
HD404618 Series
29
Stop mode
Oscillator
Internal clock
RESET
STOP instruction execution
t > t (stabilization time)
t
res
Figure 12 Timing of Stop Mode Cancellation
Watch Mode:
The MCU enters watch mode if the STOP instruction is executed in active mode when
TMA3 = 1, or if the STOP or SBY instruc-tion is executed in subactive mode.
Watch mode is terminated by a RESET input or a timer-A/
INT
0
interrupt request. For details of RESET
input, refer to the Stop Mode section. When terminated by a timer-A/
INT
0
interrupt request, the MCU
enters active mode if LSON is 0, or subactive mode if LSON is 1. After an interrupt request is generated,
the time required to enter active mode is t
RC
for a timer A interrupt, and T
X
(where T + t
RC
< T
X
< 2T + t
RC
)
for an
INT
0
interrupt, as shown in figure 13.
Operation during mode transition is the same as that at standby mode cancellation (figure 12).
Active mode
Watch mode
Active mode
Oscillation
stabilization period
Interrupt strobe
INT
Interrupt request
generation
(During the transition
from watch mode to
active mode only)
0
T
T
t
RC
Tx
T = 2
×
t
: Interrupt frame length
t
RC
: Oscillation stabilization period
Figure 13 Interrupt Frame
Subactive Mode:
The CPU operates with a clock generated by the X1 and X2 oscillation circuits.
Functions that can operate in subactive mode are listed in table 16. When the STOP or SBY instruction is
executed in subactive mode, the MCU enters either watch or active mode, depending on the statuses of
相關(guān)PDF資料
PDF描述
HD4074618FS CONNECTOR
HD4074618H 4-Bit Single-Chip Microcomputer
HD4074618TF 4-Bit Single-Chip Microcomputer
HD4046212R AS Microcomputer Incorporating a DTMF Generator Circuit(微計(jì)算機(jī)帶雙音多頻發(fā)生器電路)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD4074618F 制造商:Renesas Electronics Corporation 功能描述:
HD4074618FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4074618H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4074618TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD4074629 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:AS Microcomputer Incorporating a DTMF Generator Circuit
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