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12. Serial RapidIO Registers > IDT-Specific RapidIO Registers
301
Tsi574 User Manual
June 6, 2016
Integrated Device Technology
www.idt.com
12.8.1
RapidIO Port x Discovery Timer
This register defines discovery-timer value for the serial ports in 4x mode..
Register name: SP{BC,0..7}_DISCOVERY_TIMER
Reset value: 0x90C0_0000
Register offset: 10000, 11000, 11100, 11200, 11300,
11400, 11500, 11600, 11700
Bits
0
1
2
3
4
5
6
7
00:07
DISCOVERY_TIMER
Reserved
08:15
PW_PRIORITY
Reserved
16:23
Reserved
24:31
Reserved
Bits
Name
Description
Type
Reset
Value
0:3
DISCOVERY_
TIMER
Discovery Timer
This field is used by serial ports configured to operate in 4x mode.
The discovery-timer allows time for the link partner to enter its
discovery state, and if the link partner supports 4x mode, for all four
lanes to be aligned.
The discovery timer has a value of 11.79 ms, with the P_CLK set to
100 MHz
• 0: 320
• {1:15}: DISCOVERY_TIMER (decimal) * 1179639 * 1/ P_CLK =
actual time
“P_CLK Programming” on page 479
for more
information on programming the P_CLK operating frequency.
R/W
9
4:7
Reserved
N/A
R
0
8:9
PW_PRIORITY
Port-write packet priority
This field sets the priority of a port-write packet. The priority can be
set from 0 to 3
00 = priority 0
01 = priority 1
10 = priority 2
11 = priority 3
R/W
11
10:31
Reserved
N/A
R
0
Содержание IDT Tsi574
Страница 1: ...IDT Tsi574 Serial RapidIO Switch User Manual June 6 2016 Titl...
Страница 20: ...About this Document 20 Tsi574 User Manual June 6 2016 Integrated Device Technology www idt com...
Страница 34: ...1 Functional Overview JTAG Interface 34 Tsi574 User Manual June 6 2016 Integrated Device Technology www idt com...
Страница 100: ...4 Internal Switching Fabric Packet Queuing 100 Tsi574 User Manual June 6 2016 Integrated Device Technology www idt com...
Страница 224: ...11 Signals Pinlist and Ballmap 224 Tsi574 User Manual June 6 2016 Integrated Device Technology www idt com...
Страница 490: ...B Clocking P_CLK Programming 490 Tsi574 User Manual June 6 2016 Integrated Device Technology www idt com...
Страница 512: ...Index 512 Tsi574 User Manual June 6 2016 Integrated Device Technology www idt com...