S1D13503 Epson Electronics America, Inc., S1D13503 Datasheet - Page 152

• Manufacturer Part Number: S1D13503
• Description: S1d13503 Graphics Lcd Controller
• Manufacturer: Epson Electronics America, Inc.

Page 56
6 IDENTIFYING THE S1D13503
S1D13503
X18A-G-002-06
To identify the LCD controller upon power up / reset, perform the following steps:
1.
2.
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 immedi-
ately after power up and before any register initialization.
Power up LCD controller.
Read AUX[0Eh], bits 5-4. Refer to Table 6-1 below to decode chip ID.
Power On
RESET
or
S1D13503
S1D13502
S1D13502
reserved
Chip
Table 6-1: ID Bit Usage
bit 5
0
0
1
1
Aux[0E]
bit 4
0
1
0
1
Epson Research and Development
Programming Notes and Examples
Vancouver Design Center
Issue Date: 01/01/30