參數(shù)資料
型號(hào): UPD16682W
廠商: NEC Corp.
英文描述: 1/65 DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM
中文描述: 1 / 65稅LCD控制器/驅(qū)動(dòng)器,片內(nèi)RAM
文件頁數(shù): 12/56頁
文件大?。?/td> 435K
代理商: UPD16682W
Data Sheet S13368EJ3V0DS00
12
μ
PD16682
5. DESCRIPTION OF FUNCTIONS
5.1 MPU Interface
5.1.1 Select interface type
The
μ
PD16682 transfers data either via an 8-bit bidirectional data bus (D
7
to D
0
) or via a serial data input (SI). The
P,/S pin can be set to either high or low levels to select 8-bit parallel data input or serial data input, as shown in the
table below.
P,/S
/CS1
CS2
A0
/RD
/WR
C86
D
7
D
6
D
5
- D
0
H: Parallel input
/CS1
CS2
A0
/RD
/WR
C86
D
7
D
6
D
5
-D
0
L: Serial input
/CS1
CS2
A0
Note 1
Note 1
Note1
SI
SCL
Note2
Notes 1.
Fix this pin as either H or L.
2.
High impedance
5.1.2 Parallel interface
If the parallel interface has been selected (P,/S = H), setting the C86 pin either high or low determines whether to
connect directly to the 80 series MPU or the 68 series MPU, as shown in the table below.
P,/S
/CS1
CS2
A0
/RD
D
7
- D
0
H: 68 series MPU bus
/CS1
CS2
A0
E
D
7
- D
0
L: 80 series MPU bus
/CS1
CS2
A0
/RD
D
7
- D
0
The data bus signal can be identified according to the combination of A0, /RD(E), and /WR (R,/W) signals, as
shown in the table below.
Common
68 Series
80 Series
Function
A0
R,/W
/RD
/WR
H
H
L
H
Read display data
H
L
H
L
Write display data
L
H
L
H
Read status
L
L
H
L
Write control data (command)
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