S1D13704 Epson Electronics America, Inc., S1D13704 Datasheet - Page 142

• Manufacturer Part Number: S1D13704
• Description: LCD Controller
• Manufacturer: Epson Electronics America, Inc.

Page 46
8 Identifying the S1D13704
S1D13704
X26A-G-002-03
As there are several similar products in the 1350X and 1370X LCD controller families,
which can for the most part share the same code base. It may be important for a program to
identify between products at run time.
Identification of the S1D13704 can be performed any time after the system has been
powered up by reading REG[00h], the Revision Code register. The six most significant bits
form the product identification code and the two least significant bits form the product
revision.
From reset (power on) the steps to identifying the S1D13704 are as follows:
1. Read REG[00h]. Mask off the lower two bits, the revision code, to obtain the product
2. The product code for the S1D13704 is 018h.
code.
Epson Research and Development
Programming Notes and Examples
Vancouver Design Center
Issue Date: 01/02/12