VSC3138
Datasheet
Register 6: Global Input Channel Configuration
Reg Name: Global Input Channel Configuration
Reg Type: R/W
Reg. Address: 283’h
Description: Global input channel configuration control.
Bit
10-4
3-2
Bit Description
Reset Value
R/W
R
Not Used
0000000
00
Global Clear for ISE Setting
R/W
00 = bits 6 and 7 of all Individual Input Configuration registers are writeable
01 = bit 6 of all Individual Input Configuration registers forced to 0
10 = bit 7 of all Individual Input Configuration registers forced to 0
11 = bits 6 and 7 of all Individual Input Configuration registers forced to 0
1-0
Global Clear for ISE Setting
00
R/W
00 = bits 6 and 7 of all Individual Input Configuration registers are writeable
01 = bit 6 of all Individual Input Configuration registers forced to 1
10 = bit 7 of all Individual Input Configuration registers forced to 1
11 = bits 6 and 7 of all Individual Input Configuration registers forced to 1
Register 7: Individual Input Channel Configuration
Reg Name: Individual Input Channel Configuration
Reg Type: R/W
Reg. Address: 600’h – 607’h = A0 – A7
610’h – 617’h = A8 – A15
Description: Individual input channel configuration control.
620’h – 627’h = A16 – A23
630’h – 637’h = A24 – A31
640’h – 647’h = A32 – A39
Bit
10-9
8
Bit Description
Reset Value
R/W
R
Not used
00
0
A[0:71] scan register table (values latched using register 14, bit 0)
R
7-6
ISE Setting
00
R/W
00 = ISE disabled
01 = low ISE
10 = medium ISE
11 = high ISE
5-4
3-0
DRIVE Input Connection State
00 = Maintains current connection state
01 = Do not use
10 = Removes DRIVE connection to input
11 = Maintains current connection state
00
R/W
Reserved. Do not write.
0’h
R
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G52414 Revision 4.2
March 8, 2006
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
