Product Id Code; Flash Memory Status Code - Philips CEM2100/00 Service Manual

20. Serial PROM Mode

20.11 Product ID Code

20.11Product ID Code
The product ID code is the 13-byte data containing the start address and the end address of ROM. Table 20-17
shows the product ID code format.
Table 20-17 Product ID Code Format
Data
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th
11th
12th
13th

20.12Flash Memory Status Code

The flash memory status code is the 7-byte data including the security program status and the status of the data
from FFE0H to FFFFH. Table 20-18 shows the flash memory status code.
Status Code 1
Description
Start Mark (3AH)
The number of transfer data (10 bytes from 3rd to 12th byte)
Address length (2 bytes)
Reserved data
Reserved data
Reserved data
Reserved data
ROM block count
The first address of ROM (Upper byte)
The first address of ROM (Lower byte)
The end address of ROM (Upper byte)
The end address of ROM (Lower byte)
Checksum of the transferred data (2's compliment for the sum of
3rd through 12th bytes)
Table 20-18 Flash Memory Status Code
Data
1st
2nd Transferred data count (3rd through 6th byte)
3rd
4th
5th
6th
Checksum of the transferred data (2's compliment
7th
for the sum of 3rd through 6th data)
7 6 5
Description
Start mark
Status code
Reserved data
Reserved data
Reserved data
4 3 2
RPENA
Page 258
T5CL8
In the Case of
3AH
0AH
02H
1DH
00H
00H
00H
01H
10H
00H
FFH
FFH
D2H
In the Case of
T5CL8
3AH
04H
00H to 03H
(See figure below)
00H
00H
00H
3rd byte checksum
00H 00H
01H FFH
02H FEH
03H FDH
1 0
BLANK (Initial Value: 0000 00**)
T5CL8