Identifying The S1D13503 - Epson S1D13503 Series Technical Manual

EPSON
6 I
DENTIFYING THE
To identify the LCD controller upon power up / reset, perform the following steps:
1. Power up LCD controller.
2. Read AUX[0Eh], bits 5–4. Refer to Table 6-1 below to decode chip ID.
Power On
RESET
Note: If the registers have already been initialized after power up, the ID bits in AUX[0Eh] cannot be used
since these bits are also used for the RGB index. It is recommended to always store the chip ID im-
mediately after power up and before any register initialization.
2-42
Table 6-1 ID-Bit Usage
Chip
S1D13503
reserved
or
SED1352F /F /D
0B 1B
SED1352F /F /D
0A 1A
S1D13503
AUX[0E]
Bit 5
0
0
1
0B
1
0A
Bit 4
0
1
0
1
S18A-G-002-02