VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
2.488Gb/s SONET/SDH
STS-48/STM-16 Section Terminator
VSC8151
Table 1: VSC8151 Register File Mapping
Register
Name
Address
TXOHA[4:0]
Data & Overhead Write Inhibit
TXOHD[7:0], OHWI
OHS0
OHS1
OHS2
OHS3
OHS4
OHS5
OHS6
OHS7
OHS8
OHL0
OHL1
OHL2
OHL3
OHL4
OHL5
OHL6
OHL7
OHL8
OHL9
OHL10
OHL11
OHL12
OHL13
OHL14
OHL15
OHL16
OHL17
5’h00
5’h01
5’h02
5’h03
5’h04
5’h05
5’h06
5’h07
5’h08
5’h09
5’h0a
5’h0b
5’h0c
5’h0d
5’h0e
5’h0f
5’h10
5’h11
5’h12
5’h13
5’h14
5’h15
5’h16
5’h17
5’h18
5’h19
5’h1a
SONET #1 STS-1 A1 Modifier
SONET #1 STS-1 A2 Modifier
SONET #1 STS-1 J0 Modifier
B1 Error Mask
SONET #1 STS-1 E1 Modifier
SONET #1 STS-1 F1 Modifier
SONET #1 STS-1 D1 Modifier
SONET #1 STS-1 D2 Modifier
SONET #1 STS-1 D3 Modifier
SONET #1 STS-1 H1 Modifier
SONET #1 STS-1 H2 Modifier
SONET #1 STS-1 H3 Modifier
B2 Error Mask
SONET #1 STS-1 K1 Modifier
SONET #1 STS-1 K2 Modifier
SONET #1 STS-1 D4 Modifier
SONET #1 STS-1 D5 Modifier
SONET #1 STS-1 D6 Modifier
SONET #1 STS-1 D7 Modifier
SONET #1 STS-1 D8 Modifier
SONET #1 STS-1 D9 Modifier
SONET #1 STS-1 D10 Modifier
SONET #1 STS-1 D11 Modifier
SONET #1 STS-1 D12 Modifier
SONET #1 STS-1 S1 Modifier
SONET #1 STS-1 M0/1 Modifier
SONET #1 STS-1 E2 Modifier
Table 2: VSC8151 Configuration Registers
Register
Name
Address
TXOHA[4:0]
Data ( TXOHD[7:0] )
7
6
5
4
3
2
1
0
TEST
5’h1b
5’h1c
5’h1d
5’h1e
5’h1f
00000000
RATE_SEL
FRM_SRCH
AIS_MODE
MISC
XXXXFWAxNSOC12OC3
XXXXFRD1FRD0SL1SL0
XXXXMXC1MXC0B2GAIS
XXXXDSDDPTDP
Note: TEST register must be initialized to 00H
G52225-0, Rev. 2.3
VITESSE SEMICONDUCTOR CORPORATION
Page 11
8/16/99
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896