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DS21458DK, Quad T1/E1/J1 Transceiver Design Kit Daughter Card
Register Name: TSERS
Register Description: DS21458 TSER Pin Source
Register Offset: 0x0018
Bit #
Name
Default
7
T4S1
0
6
T4S0
0
5
T3S1
0
4
T3S0
0
3
T2S1
0
2
T2S0
0
1
T1S1
0
0
T1S0
0
Bit 0 to 1: DS21458 Port 1 TSER Source (T1S0, T1S1)
The source for TSER 1 is Defined as shown in Table 7.
Bit 2 to 3: DS21458 Port 2 TSER Source (T2S0, T2S1)
The source for TSER 2 is Defined as shown in Table 7.
Bit 4 to 5: DS21458 Port 3 TSER Source (T3S0, T3S1)
The source for TSER 3 is Defined as shown in Table 7.
Bit 6 to 7: DS21458 Port 4 TSER Source (T4S0, T4S1)
The source for TSER 4 is Defined as shown in Table 7.
Table 7. TSERx Source Definition
TxS1, TxS0
00
01
10
11
TSER X CONNECTION
Tri-state TSER X (weak pulldown)
Drive TSER X with RSER X
Drive TSER X with PCM_TXD bus (DK2000 only)
N/A
Register Name: PRSER
Register Description: PCM RSER Source
Register Offset: 0x0019
Bit #
Name
Default
7
—
—
6
—
—
5
—
—
4
—
—
3
R1EN
0
2
R1EN
0
1
R1EN
0
0
R1EN
0
Bit 0 to 1: PCM RSER Source (R1EN)
0 = Do not drive DS21458 Port 1 RSER onto PCM_RSER
1 = Logically OR DS21458 Port 1 RSER with selected other RSER pins and drive onto PCM_RSER
Bit 2 to 3: DS21458 Port 2 TSER Source (T2S0, T2S1)
0 = Do not drive DS21458 Port 2 RSER onto PCM_RSER
1 = Logically OR DS21458 Port 2 RSER with selected other RSER pins and drive onto PCM_RSER
Bit 4 to 5: DS21458 Port 3 TSER Source (T3S0, T3S1)
0 = Do not drive DS21458 Port 3 RSER onto PCM_RSER
1 = Logically OR DS21458 Port 3 RSER with selected other RSER pins and drive onto PCM_RSER
Bit 6 to 7: DS21458 Port 4 TSER Source (T4S0, T4S1)
0 = Do not drive DS21458 Port 4 RSER onto PCM_RSER
1 = Logically OR DS21458 Port 4 RSER with selected other RSER pins and drive onto PCM_RSER
Note: PRSER register is for use with the DK2000 only.
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