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C8051F310/1/2/3/4/5/6/7
220
Rev. 1.6
C2 Register Definition 20.3. REVID: C2 Revision ID
C2 Register Definition 20.4. FPCTL: C2 Flash Programming Control
C2 Register Definition 20.5. FPDAT: C2 Flash Programming Data
This read-only register returns the 8-bit revision ID.
Reset Value
Variable
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Bits7–0
FPCTL: Flash Programming Control Register.
This register is used to enable Flash programming via the C2 interface. To enable C2 Flash
programming, the following codes must be written in order: 0x02, 0x01. Note that once C2
Flash programming is enabled, a system reset must be issued to resume normal operation.
Reset Value
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Bits7–0: FPDAT: C2 Flash Programming Data Register.
This register is used to pass Flash commands, addresses, and data during C2 Flash
accesses. Valid commands are listed below.
Reset Value
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Code
Command
0x06
Flash Block Read
0x07
Flash Block Write
0x08
Flash Page Erase
0x03
Device Erase
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