sed1355 ETC-unknow, sed1355 Datasheet - Page 504
sed1355
Manufacturer Part Number
sed1355
Description
Sed1355 Embedded Ramdac Lcd/crt Controller
Manufacturer
ETC-unknow
Datasheet
1.SED1355.pdf
(509 pages)
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Page 12
4 V832 to SED1355 Interface
4.1 Hardware Description
SED1355
X23A-G-012-01
Note:
NEC V832
SDCLKOUT
When connecting the SED1355 RESET# pin, the system designer should be aware of all
conditions that may reset the SED1355 (e.g. CPU reset can be asserted during wake-up
from power-down modes, or during debug states).
VDD_O
LUBEN
READY
LLBEN
A[25:1]
D[15:0]
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 SED1355.
The diagram below shows a typical implementation utilizing the SED1355.
Figure 4-1: NEC V832 to SED1355 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
RESET#
SED1355
DD
Vancouver Design Center
Issue Date: 99/05/05
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