參數(shù)資料
型號(hào): S1D13700F02A100
元件分類(lèi): 顯示控制器
英文描述: 320 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP64
封裝: LEAD FREE, TQFP-64
文件頁(yè)數(shù): 3/108頁(yè)
文件大?。?/td> 1373K
代理商: S1D13700F02A100
6: MPU INTERFACE
S1D13700 Technical Manual
EPSON
95
6
MPU INTERFACE
6.1
Connection to the System Bus
The S1D13700 uses a combination of CNF2/3/4, AB15–0, RD#, WR#, and CS# to discriminate information
supplied to it via the system data bus as described in Section 2.2 “Pin Functions” on page 9.
In indirect interface mode, AB0 generally is connected to the least signicant bit of the system address bus.
CNF2 and CNF3 are provided for changing the functions of S1D13700 pins 58 and 59 to enable the chip to be
connected directly to the 80 or 68-series MPU bus, and are pulled high or low through a resistor when in use.
For the 80-series MPU, the S1D13700 should normally be mapped in I/O space.
6.1.1
80-series MPU
<Direct access for the 80-series interface>
<Indirect access for the 80-series interface>
6.1.2
68-series MPU
<Direct access for the 68-series interface>
<Indirect access for the 68-series interface>
CNF4
AB15
– AB1
AB0
RD#
WR#
Function
0
0or1
0
1
Read from command/parameter registers
0
0or1
1
Write to command/parameter registers
CNF4
AB15
– AB1
AB0
RD#
WR#
Function
1
001
1
1
0
1
Data (display data and cursor address) read
1
0
1
0
Data (display data and parameter) write
1
1
0
Command write (code only)
CNF4
AB15
– AB1
AB0
WR#
(R/W#)
RD#
(E)
Function
0
0or1
1
Read from command/parameter registers
0
0or1
0
1
Write to command/parameter registers
CNF4
AB15
– AB1
AB0
WR#
(R/W#)
RD#
(E)
Function
1
01
1
1
1
Data (display data and cursor address) read
1
0
1
Data (display data and parameter) write
1
1
0
1
Command write (code only)
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