Data Sheet

Si4702/03-C19
Rev. 1.1 23
6. Register Descriptions
Reset value = 0x1242
Si4702C19 Reset value = 0x1053 if ENABLE = 1
Si4702C19 Reset value = 0x1000 if ENABLE = 0
Si4703C19 Reset value = 0x1253 if ENABLE = 1
Si4703C19 Reset value = 0x1200 if ENABLE = 0
Register 00h. Device ID
BitD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
Name PN[3:0] MFGID[11:0]
Type RR
Bit Name Function
15:12 PN[3:0] Part Number.
0x01 = Si4702/03
11:0 MFGID[11:0] Manufacturer ID.
0x242
Register 01h. Chip ID
BitD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
Name REV[5:0] DEV[3:0] FIRMWARE[5:0]
Type RRR
Bit Name Function
15:10 REV[5:0] Chip Version.
0x04 = Rev C
9:6 DEV[3:0] Device.
0 before powerup = Si4702.
0001 after powerup = Si4702.
1000 before powerup = Si4703.
1001 after powerup = Si4703.
5:0 FIRMWARE[5:0] Firmware Version.
0 before powerup.
Firmware version after powerup = 010011.