C8051F850-C-GM Datasheet, PDF (322/328 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

29.2. C2 Interface Registers
The following describes the C2 registers necessary to perform flash programming through the C2
interface. All C2 registers are accessed through the C2 interface, and are not available in the SFR map for
firmware access.
Register 29.1. C2ADD: C2 Address
Bit
7
6
5
4
3
2
1
0
Name
C2ADD
Type
RW
Reset
0
0
0
0
0
0
0
0
This register is part of the C2 protocol.
Table 29.1. C2ADD Register Bit Descriptions
Bit
Name
Function
7:0
C2ADD C2 Address.
The C2ADD register is accessed via the C2 interface. The value written to C2ADD
selects the target data register for C2 Data Read and Data Write commands.
0x00: C2DEVID
0x01: C2REVID
0x02: C2FPCTL
0xB4: C2FPDAT
288
Rev. 1.0