TPCE636 User Manual Issue 1.0.2
Page 28 of 104
5.2.12 ISP Configuration Register - 0xE4
Bit
Symbol
Description
Access
Reset
Value
31:24
ISP_SPI_ADD
SPI Flash Address A7-A0
W
0x00
23:16
SPI Flash Address A15-A8
W
0x00
15:8
SPI Flash Address A23-A16
W
0x00
7:0
ISP_SPI_INS
SPI Flash Instruction Code
Supported Instructions:
0x02 – Page Program
0x20 – Sector Erase
0xC7 – Chip Erase
0x03 – Read Data
W
0x00
Table 5-16 : ISP Configuration Register
5.2.13 ISP Command Register - 0xE8
Bit
Symbol
Description
Access
Reset
Value
31:2
Reserved
-
0
1
ISP_SPI_RST_CMD
ISP SPI Reset Command Bit
Writing a ‘1’ sets the Instruction Busy Bit in the
ISP Status Register (if not already set).
Breaks any ISP SPI instruction in progress and
resets the ISP SPI logic.
Check the Instruction Busy Bit in the ISP Status
Register for reset done status.
Always read as ‘0’.
R/W
0
0
ISP_SPI_INS_CMD
ISP SPI Start Instruction Command Bit
Writing a ‘1’ sets the SPI Instruction Busy Bit in
the ISP Status Register and starts the configured
SPI instruction.
Ignored (lost) while the Instruction Busy Bit is set
in the ISP Status Register.
Always read as ‘0’.
R/W
0
Table 5-17 : ISP Command Register