APPENDIX A: Registers for PCIe8g3 S5
Registers, UI
EDT, Inc.
2017 January 04
21
0x60–62 Extended Indirect Register Address
0x63 Extended Indirect Register Data
0x64 Serial Master Interface Status
Access / Notes:
24-bit read-write / [no name]
0x60 = bits 7–0; 0x61 = bits 15–8; 0x62 = bits 23–16.
Bit
Access
Name
Description
23–0
RW
[no name]
This is the register address space for the extended indirect registers.
Access / Notes:
8-bit read-write / [no name]
Bit
Access
Name
Description
7–0
RW
[no name]
This is the register data for the extended indirect registers.
– Writing this register writes data to the register addressed by 0x60–62.
– Reading this register reads the data addressed by 0x60–62.
Access / Notes:
8-bit read-write / STRATIX5_I2C_DEVICE
Bit
Access
Name
Description
7
R only
SER_DEV_BSY
When set, the serial master is busy.
6
R only
SER_DEV_ACK_
FAIL
When set, the serial slave failed to respond to the last command.
5–0
RW
SER_DEV_ADDR
Descriptions for devices 0–20 are provided below.
0 = Port 0 reference clock (Si570).
1 = Port 1 reference clock (Si570).
2 = Ports 2 and 4 reference clock (Si570).
3 = Port 3 reference clock (Si570).
4 = Port 0 external PLL (Si5375).
5 = Port 1 external PLL (Si5375).
6 = Port 2 external PLL (Si5375).
7 = Port 3 external PLL (Si5375).
8 = Port 0 SFP/+ EEPROM.
9 = Port 1 SFP/+ EEPROM.
10 = Port 2 SFP/+ EEPROM and Port 4 QSFP EEPROM.
11 = Port 3 SFP/+ EEPROM.
12 = Port 0 SFP/+ diagnostics.
13 = Port 1 SFP/+ diagnostics.
14 = Port 2 SFP/+ diagnostics.
15 = Port 3 SFP/+ diagnostics.
16 = Port 0 SFP active copper PHY.
17 = Port 1 SFP active copper PHY.
18 = Port 2 SFP active copper PHY.
19 = Port 3 SFP active copper PHY.
20 = U2M reference clock (Si5375).
