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參數(shù)資料
| 型號： | EM78P468NBQ |
| 廠商： | ELAN Microelctronics Corp . |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 21/82頁 |
| 文件大?。?/td> | 1491K |
| 代理商： | EM78P468NBQ |
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EM78P468N
8-BIT Microcontroller
Product Specification
(V1.2) 03.15.2005
(This specification is subject to change without further notice)
17
CPU Operation Mode
RESET
Code option
HLFS=1
Green Mode
fm:stop
fs: oscillation
CPU: using fs
Normal Mode
fs: oscillation
fm:oscillation
CPU: using fosc
IDLE Mode
fm:stop
fs: oscillation
CPU: stop
SLEEP M
Fm:stop
Fs: stop
CPU: stop
ode
IDLE
SLE
IDLE="0"
SLEP
="1"
P
wake up
Wake up
CPUS="1"
CPUS="0"
Code option
HLFS=0
The wake up time from idle to green
s 16*1/fs
mode i
The wake up tim
approximately su
e from sleep to green mode is
b-oscillator setup time +18ms+16*1/fs
it must delay
oscillation stable while your system timing
control is conscienti
ous
4.1.15 RE/IRCR (IR and PORT 5 Setting Control Register)
(Address: 0Eh)
Bit 7
Bit 6
Bit 5
a little times for the main
Fig. 5 CPU Operation Mode
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IRE
HF
LGP
--
IR
E
OUTE
TCCE
INT1
EINT0
Bit 7 (IRE):
Infrared Remote Enable bit
pin is determined
r PWM function.
n. IROUT
e time as determined by
ly. The counter 2 is an
independent auto reload timer.
HF = “1” :
For IR application mode, enable H/W modulator function, the low time
sections of the generated pulse is modu
frequency of Fcarrier provide by counter 2.
lated with the frequency Fcarrier. The
d.
LGP = “1” :
The high-pulse width timer register is ignored. So the IROUT
waveform is dependent on low-pulse width timer register only.
IRE = “0” :
Disable IR/PWM function. The state of P5.7/IROUT
by bit 7 of IOC 50 if it’s for IROUT.
IRE = “1” :
Enable IR o
Bit 6 (HF) :
High carry frequency.
HF = “0” :
For PWM application, disable H/W modulator functio
waveform is created according to high-pulse and low-puls
the high pulse and low pulse width timers respective
Bit 5 (LGP) :
IROUT for long time of low pulse.
LGP = “0” :
The high-pulse width timer register and low-pulse width timer is vali
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