SED1374 Datasheet, PDF (370/420 Pages) Epson Company – SED1374 Embedded Memory Color LCD Controller

Page 14
Epson Research and Development
Vancouver Design Center
4.2 SED1374 Hardware Configuration
The SED1374 uses CNF0 through CNF4 and BS# to allow selection of the bus mode and
other configuration data on the rising edge of RESET#. Table 4-1: “Summary of Power-
On/Reset Options” and Table 4-2: “Host Bus Interface Selection” shows the settings used
for the SED1374 in this interface.
Table 4-1: Summary of Power-On/Reset Options
SED1374 value on this pin at the rising edge of RESET# is used to configure: (0/1)
Pin Name
0
1
CNF0
CNF1 See “Host Bus Selection” table below See “Host Bus Selection” table below
CNF2
CNF3 Little Endian
Big Endian
CNF4 Active low LCDPWR signal
Active high LCDPWR signal
= configuration for MFC5307 support
CNF2
0
0
0
0
1
1
1
1
1
1
CNF1
0
0
1
1
0
0
1
1
1
1
Table 4-2: Host Bus Interface Selection
CNF0
0
1
0
1
0
1
0
0
1
1
BS#
Host Bus Interface
X
SH-4 bus interface
X
SH-3 bus interface
X
reserved
X
MC68K bus interface #1, 16-bit
X
reserved
X
MC68K bus interface #2, 16-bit
0
reserved
1
reserved
0
Generic #1, 16-bit
1
Generic #2, 16-bit
= configuration for MFC5307 support
SED1374
X26A-G-011-02
Interfacing to the Motorola MCF5307 "ColdFire" Microprocessor
Issue Date: 99/01/05