參數(shù)資料
型號: HCD404669
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): 33/142頁
文件大?。?/td> 894K
代理商: HCD404669
HD404669 Series
33
Reset by
RESET input or
by watchdog timer
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Oscillate
Oscillate
Stop
f
cyc
f
cyc
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Oscillate
Oscillate
Stop
f
W
f
cyc
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Oscillate
Oscillate
f
cyc
f
cyc
f
cyc
(TMA3 = 0)
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Oscillate
Oscillate
f
cyc
f
W
f
cyc
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Stop
Oscillate
f
SUB
f
W
f
SUB
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Stop
Stop
Stop
Stop
Stop
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Stop
Oscillate
Stop
f
W
Stop
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Stop
Oscillate
Stop
f
W
Stop
Standby mode
Stop mode
(TMA3 = 0, SSR13 = 1)
Watch mode
Subactive
mode
(TMA3 = 1)
(TMA3 = 1, LSON = 0)
(TMA3 = 1, LSON = 1)
SBY
Interrupt
SBY
Interrupt
STOP
INT
0
,
timer A
STOP
1. STOP/SBY (DTON = 1, LSON = 0)
2. STOP/SBY (DTON = 0, LSON = 0)
3. STOP/SBY (DTON = Don’t care, LSON = 1)
f
OSC
:
f
X
:
f
cyc
:
f
SUB
:
f
W
:
LSON:
DTON:
Main oscillation frequency
Suboscillation frequency
for time-base
f
OSC
/32 (selected by software)
f
X
/8 or f
X
/4
(software selectable)
f
X
/8
System clock
Clock for time-base
Peripheral functions clock
Low speed on flag
Direct transfer on flag
f
OSC
/4, f
OSC
/8, f
OSC
/16 or
Active
mode
Notes:
CPU
:
CLK
:
PER
:
f
OSC
:
f
X
:
CPU
:
CLK
:
PER
:
Stop
Oscillate
Stop
Stop
Stop
(TMA3 = 0, SSR13 = 0)
RESET1
RESET2
RAME = 0
RAME = 1
INT
0
,
timer A
STOP
STOPC
STOPC
STOP
*
1
*
2
*
3
Figure 14 MCU Status Transitions
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