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371430A-01
Dec05
Enabling HS488
To enable HS488, first write 0x1C to NIC_DELAY. Then, set HIER[DG],
HIER[NO_TSETUP], DIO_SETUP and DAV_HOLD according to the
following table. Finally, set MISC[HSE].
Disabling HS488
To disable HS488 clear MISC[HSE] and write 0x3 to HIER[DG].
Clearing IMR1[CPT IE] and AUXRB[CPT_ENABLE] causes HS488
configuration commands to be ignored.
Cable
Length
HIER[DG]
HIER[NO_TSETUP]
DIO_SETUP[4:0]
DAV_HOLD[4:0]
1
0x0
1
0x0
0x0
2
0x0
1
0x0
0x0
3
0x0
0
0x0
0x2
4
0x2
0
0x0
0x2
5
0x2
0
0x2
0x4
6
0x2
0
0x2
0x4
7
0x2
0
0x2
0x4
8
0x3
0
0x4
0x6
9
0x3
0
0x4
0x6
10
0x3
0
0x6
0x8
11
0x3
0
0x6
0x8
12
0x3
0
0x6
0x8
13
0x3
0
0x9
0xB
14
0x3
0
0x9
0xB
15
0x3
0
0x9
0xB
