EM65570
68COM/ 98SEG 65K Color STN LCD Driver
6.5 Oscillating Circuit Pin
Symbol
I/O
Description
Display timing clock source select input pin.
CKS = “H”: Use external clock from the CK pin
CKS = “L”: Use the internal oscillated clock
CKS
I
The external clock input pin for display timing (CKS=1) or the internal clock output
pin for display timing (CKS=0).
CK
I/O
When using the internal oscillator clock, CK must be floating (CKS=0)
7 Function Description
7.1 MPU Interface
7.1.1 Reset Pin Description (RESB)
Hold the RESB at low for at least 80µs, after which the EM65101 accepts this reset
command.
RESB
T > 80uS
Figure.7-1 RESB Timing
7.1.2 Selection of Interface Type
The EM65570 transfers data through the 8-bit parallel I/O (D7-D0), 16-bit parallel I/O
(D15-D0), or serial data input (SDA, SCL). You can use the P/S pin to select the
parallel or serial interface. When the serial interface is selected, you are allowed to
write only as data reading is prohibited.
P/S I/F Type CSB
RS
RS
RS
RDB WRB
M86
M86
-
SDA
-
SCL
-
Data
D7~D0
(D15~D0)
H
L
Parallel
Serial
CSB
CSB
RDB WRB
-
-
SDA
SCL
-
16 •
Product Specification (V1.0) 09.05.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
