參數(shù)資料
型號: EM78P468NH
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): 28/82頁
文件大?。?/td> 1491K
代理商: EM78P468NH
EM78P468N
8-BIT Microcontroller
24
Product Specification (V1.2) 03.15.2005
(This specification is subject to change without further notice)
Bit 2 ~ 0 (WDTP2 ~ WDTP0)
: watchdog timer pre-scaler bits. The WDT source
scillation frequ
sub-o
ency.
WDTP2
WDTP1
clock is
WDTP0
WDT rate
0
0
0
1:1
0
0
1
1:2
0
1
0
1:4
0
1
1
1:8
1
0
0
1:16
1
0
1
1:32
1
1
0
1:64
1
1
1
1:128
4.2.16 IOC91/CNT12CR
(Address: 09h
,
Bit 7
unter 1,
t 0 of R5 = “
Bit 5
ontrol Register
2 C
1”)
Bit 3
(Co
Bi
)
Bit 6
Bit 4
Bit 2
Bit 1
Bit 0
CNT2S CNT2P2 CN
P1 CNT2P0
NT1S CNT1P2 C
1 CNT1P0
T2
C
NT1P
Bit 7(CN
S):
Counter 2
source selec
clock
/1 => Fs/ Fm*
(*Fs: sub-oscillator clock, Fm: main-oscillator clock)
T2
t 0
Bit 6~4(CNT2P2 ~ CNT2P 0):
Counter 2 pre-scaler select bits
CNT2P2
CNT2P1
CNT1P0
Counter 2 scale
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
Bit 3(CNT1S):
Counter 1 clock source select 0/1 => Fs/ Fm*
CNT1P2
Bit 2 0 (CNT1P2 ~ CNT1P20):
Counter 1 pre-scaler select bits
CNT1P1
CNT1P0
Counter 1 scale
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1:2
:4
1
1:8
1:16
1:32
1:64
1:128
1:256
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