TLK3131_15 Datasheet, PDF (48/102 Pages) Texas Instruments – Single Channel Multi-Rate Transceiver

TLK3131
SLLS957A – DECEMBER 2008 – REVISED DECEMBER 2009
Table 2-71. EFUSE_CONTROL
BIT(s)
37385.15
ADDRESS: 0x9209
NAME
EFUSE Auto Load Enable
DEFAULT: 0x0000
DESCRIPTION
When HIGH, Re-enables EFUSE Auto load function. Needs to set back to
LOW to complete Auto load function.
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ACCESS
RW
BIT(s)
37632.7:6
37632.3:2
Table 2-72. HSTL_INPUT_TERMINATION_CONTROL
ADDRESS: 0x9300
NAME
Reserved
HSTL_TERM_0[1:0]
DEFAULT: 0x0000
DESCRIPTION
Reserved
Termination setting for input HSTL cells (for CH 0)
00 = Termination disable (High Impedance)
01 = Half termination strength (300 Ω to VHSTL&GND)
10 = 3/4 termination strength (200 Ω to VHSTL&GND)
11 = Full termination strength (150 Ω to VHSTL&GND)
ACCESS
RW
RW
BIT(s)
37633.7:6
37633.3:2
Table 2-73. HSTL_OUTPUT_SLEWRATE_CONTROL
ADDRESS: 0x9301
DEFAULT: 0x0000
NAME
DESCRIPTION
Reserved
Reserved
Slew Rate setting for output HSTL cells (for CH 0)
00 = No slew control (fastest edge)
HSTL_SLEW_RATE_0 [1:0] 01 = 33% slew control
10 = 66 % slew control termination strength
11 = Full slew control (slowest edge)
ACCESS
RW
RW
Table 2-74. HSTL_INPUT_VTP_CONTROL
BIT(s)
37634.15
37634.14
37634.13
37634.12
37634.11:9
37634.7:5
ADDRESS: 0x9302
NAME
I_FORCE_UP_N
I_FORCE_UP_P
I_FORCE_DOWN_N
I_FORCE_DOWN_P
I_VTP_DRIVE[2:0]
I_FILTER_CONTROL[2:0]
DEFAULT: 0x0640
DESCRIPTION
When set, increases NFET strength in all HSTL input cells. For TI
purposes Only
When set, increases PFET strength in all HSTL input cells. For TI
purposes Only
When set, decreases NFET strength in all HSTL input cells. For TI
purposes Only
When set, decreases PFET strength in all HSTL input cells. For TI
purposes Only
Drive strength control for HSTL input cells
3’b000 = 30% drive strength increase
3’b001 = 20% drive strength increase
3’b010 = 10% drive strength increase
3’b011 = Normal drive strength (default)
3’b100 = 10% drive strength decrease
3’b101 = 20% drive strength decrease
3’b110 = 30% drive strength decrease
3’b111 = 40% drive strength decrease
Filter Control
3’b000 = Impedance change filtering off
3’b001 = Update on 2 consecutive update requests
3’b010 = Update on 3 consecutive update requests(default)
3’b011 = Update on 4 consecutive update requests
3’b100 = Update on 5 consecutive update requests
3’b101 = Update on 6 consecutive update requests
3’b110 = Update on 7 consecutive update requests
3’b111 = Update on 8 consecutive update requests
ACCESS
RW
RW
RW
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