參數(shù)資料
型號: W83627SF
英文描述: W83627F plus Smart Card Reader Interface. VID Control. GP I/O?
中文描述: W83627F加上智能卡閱讀器接口。 VID控制。大獎(jiǎng)賽的I / O?
文件頁數(shù): 140/147頁
文件大?。?/td> 1348K
代理商: W83627SF
W83627SF
PRELIMINARY
Publication Release Date: Nov. 2000
- 133 - Revision 0.60
CRFA (VID output data register)
This register allows user to configure different VID value. It can be read or written.
Bit 7
: Select VID code tables.
= 0 old VID code table.
= 1 new VID code table.
Bit 6 – 5
: VID guarding bits. The corresponding power on setting pins are GP56, 66 and their values
are latched on the rising edge of PWROK signal.
Bit 6
Bit 5
0
0
0
1
3 units constraint
1
0
4 units constraint
1
1
5 units constraint
Bit 4 – 0
: configurable VID output value.
If VIDSEL of CR2C is 1 (select VID function), GP22, 21, 62 - 60 function as VID inputs and 55 - 51
function as VID outputs. During PWROK = 0, GP55~51 (VIDOUT) are equivalent to GP22, 21, 62~60
(VIDIN). After power on, User may configure LC.CRFA.bit4 - 0 to output a new VIDOUT combination
if this new combination comply with the constraints of VID guarding bits specified in bit 6, 5 of this
register. VID outputs are equal to VID inputs if constraint is not met.
Limit
No constraint
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