S1D13505 Epson Electronics America, Inc., S1D13505 Datasheet - Page 560

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

Page 12
4 V832 to S1D13505 Interface
4.1 Hardware Description
S1D13505
X23A-G-012-02
Note:
NEC V832
SDCLKOUT
When connecting the S1D13505 RESET# pin, the system designer should be aware of all
conditions that may reset the S1D13505 (e.g. CPU reset can be asserted during wake-up
from power-down modes, or during debug states).
VDD_O
LUBEN
READY
D[15:0]
LLBEN
A[25:1]
VDD_I
IOWR
IORD
CSn
Note
The NEC V832 microprocessor features configurable chip select lines which can easily be
used for an external LCD controller. It provides all the necessary internal address decoding
and control signals required by the S1D13505.
The diagram below shows a typical implementation utilizing the S1D13505.
Figure 4-1: NEC V832 to S1D13505 Configuration Schematic
For pin mapping see Table 3-1:, “Host Bus Interface Pin Mapping,” on page 10.
+3.3V
+2.5V
System RESET
A21
Pull-up
Interfacing to the NEC V832™ Microprocessor
V
DD
(+3.3V)
Epson Research and Development
RD/WR#
WE1#
RD#
WE0#
CS#
WAIT#
M/R#
AB[20:1]
DB[15:0]
BUSCLK
BS#
V
AB0
S1D13505
RESET#
DD
Vancouver Design Center
Issue Date: 01/02/05