14.3.1 Page 0 Registers Si5340
Table 14.93. 0x0000 Die Rev
Reg Address Bit Field Type Setting Name Description
0x0000 3:0 R DIE_REV 4- bit Die Revision Number
0 = Silicon Revision A0
1 = Silicon Revision A1
Table 14.94. 0x0001 Page
Reg Address Bit Field Type Setting Name Description
0x0001 7:0 R/W PAGE Selects one of 256 possible pages.
There is the “Page Register”, which i s located at address 0x01 on every page. When read, it will indicate the current page. When
written, it will change the page to the value entered. There is a page register at address 0x0001, 0x0101, 0x0201, 0x0301, … etc.
Table 14.95. 0x0002–0x0003 Base Part Number
Reg Address Bit Field Type Setting Name Description
0x0002 7:0 R PN_BASE Four-digit “base” part number, one nibble per digit
Example: Si5340A-A-GM. The base part number (OPN)
is 5340, which is stored in this register
0x0003 15:8 R PN_BASE
Table 14.96. 0x0004 Device Speed/Synthesis Mode Grade
Reg Address Bit Field Type Setting Name Description
0x0004 7:0 R GRADE One ASCII character indicating the device speed grade
0 = A
1 = B
2 = C
3 = D
Table 14.97. 0x0005 Device Revision
Reg Address Bit Field Type Setting Name Description
0x0005 7:0 R DEVICE_REV One ASCII character indicating the device revision lev-
el.
0 = A
Example Si5340C-A12345-GM, the device revision is
“A” and stored as 0
Si5341, Si5340 Rev D Family Reference Manual • Register Map
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