m21353 Mindspeed Technologies, m21353 Datasheet - Page 16

• Manufacturer Part Number: m21353
• Description: 4.25 Gbps Twelve-channel Backplane Equalizer And Driver With 12x12 Crosspoint Switch
• Manufacturer: Mindspeed Technologies

Table 4-1.
4.2
Register Address: 00h
Register Name: Alarm Mode
Description: Controls the behavior of the xAlarm pin when an alarm is asserted.
Register Address: 01h
Register Name: Checksum
Description: Used with MIC mode. The sum of the value of registers from 00h-4Ch must be equal to 2Eh for to compute a valid checksum after the
EEPROM download..
21353-DSH-001-B
Address
* Registers noted with a * are only used when the device is in Lane Switch Mode, which is enabled by setting address 03h[5] to 0b.
** See register description for details on the contents of the chip revision register (register address FEh).
45h*
46h*
47h*
48h*
49h*
4Ah
4Bh
4Ch
C3h
C4h
FDh
FCh
FEh
Bit
7:4
2:0
Bit
7:0
FFh
3
Reserved, set to 0000b
1: xALARM is static high or low depending on Alarm condition
0: xALARM toggles once with an interrupt pulse when asserted
Reserved, set to 000b
Checksum seed value
Output 7 Config
Output 6 Config
Output 5 Config
Output 4 Config
Output 3 Config
Output 2 Config
Output 1 Config
Output 0 Config
MIC Checksum
Chip Revision
Master Reset
LOS Alarm
LOS Alarm
Register
Chip Code
Name
M21353 Register Summary Table (4 of 4)
Control Registers Descriptions
(MSB)
Input7
LOS
D7
Output/Group 2 Swing
Output/Group 1 Swing
Output/Group 0 Swing
Output 7 Swing
Output 6 Swing
Output 5 Swing
Output 4 Swing
Output 3 Swing
Input6
LOS
D6
MSPD
Mindspeed Technologies
Input5
Bit Description
Bit Description
LOS
D5
Input4 LOS
MSPD
MSPD
MSPD
MSPD
MSPD
MSPD
MSPD
MSPD
Computed Checksum Value
D4
M21353 Revision Number
M21353 Chip Code
Chip Reset
Input11 LOS
Input 3 LOS
D3
Output/Group 2 De-Emphasis
Output/Group 1 De-Emphasis
Output/Group 0 De-Emphasis
Output 7 De-Emphasis
Output 6 De-Emphasis
Output 5 De-Emphasis
Output 4 De-Emphasis
Output 3 De-Emphasis
Control Registers Map and Descriptions
®
Input10 LOS
Input 2 LOS
D2
Input 1
Input9
LOS
LOS
D1
Input 0
Default
Default
MSPD
MSPD
MSPD
MSPD
MSPD
MSPD
MSPD
MSPD
Input8
0000b
LOS
LOS
D0
000b
55h
0b
Default
00h/00h
00h/00h
00h/00h
00h/00h
00h/00h
00h/00h
00h/00h
00h/00h
(Lane/
mode)
Group
---**
N/A
N/A
00h
20h
00h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
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