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參數(shù)資料
型號(hào): W81E381
廠商: WINBOND ELECTRONICS CORP
英文描述: FULL SPEED USB INTEGRATED MICROCONTROLLER
中文描述: 全速USB集成微控制器
文件頁(yè)數(shù): 47/63頁(yè)
文件大小: 695K
代理商: W81E381
W81E381D/W81E381AD
Publication Release Date: January 2002
- 47 - Revision 0.52
4.5.24 Register Descriptions - SC Control SFRs (AC)
SCCR
Address: S:ACH
Reset State: 0001 0110H
Control Register of Smart Card Reader (SCCR).
7
6
5
4
3
2
1
0
-
-
-
CLKSTPL
S_CK1
S_CK0
EPE
EXINTH
Bit
Number
7
Bit
Mnemonic
-
Function
Reserved
6
-
Reserved
5
4
-
Reserved
CLKSTPL
SC clock polarity control bit during stopping clock (corporate with CLKSTP
of SCECR)
1: Indicate the SCCLK pin stays in High as clock stopped
0: Indicate the SCCLK pin stays in Low as clock stopped
Bit 1 of selecting the SC clock frequency
3
S_CK1
2
S_CK0
Bit 0 of selecting the SC clock frequency
{S_CK1, S_CK0}
00
01
10
11
1: To do even parity check
0: To do odd parity check
The polarity of external interrupt
1: Indicate external interrupt input is High active
0: Indicate external interrupt input is Low active
1.5MHz
3MHz
4MHz
6MHz
1
EPE
0
EXINTH
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