S1D13505 Epson Electronics America, Inc., S1D13505 Datasheet - Page 206

• Manufacturer Part Number: S1D13505
• Description: LCD Controller
• Manufacturer: Epson Electronics America, Inc.

Page 52
10 Identifying the S1D13505
S1D13505
X23A-G-003-07
The S1D13505 can only be identified once the host interface has been enabled. The steps
to identify the S1D13505 are:
1. If using an ISA evaluation board in a PC follow steps a. and b.
2. Enable the host interface by writing 00h to REG[1Bh].
3. Read REG[00h].
4. The production version of the S1D13505 will return a value of 0Ch.
a. If a reset has occurred, confirm that 16-bit mode is enabled by writing
b. If hardware suspend is enabled then disable the suspend by writing to
to address F8 0000h.
address F0 0000h.
Epson Research and Development
Programming Notes and Examples
Vancouver Design Center
Issue Date: 01/02/05