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
RATE_SEL
FRMDET
AIS_MODE
MISC
5’h1B
5’h1C
5’h1D
5’h1E
5’h1F
0
0
0
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
FWAx NS OC12 OC3
FRD1 FRD0 SL1 SL0
MXC1 MXC0 B2G AIS
DS DD PT DP
Note: TEST register must be initialized to 00H
G52225-0, Rev. 2.9
12/1/99
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
Page 11
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