CXA2108 Sony Corporation, CXA2108 Datasheet - Page 5

• Manufacturer Part Number: CXA2108
• Description: Constant-Current Driver for Full Color LED Display
• Manufacturer: Sony Corporation

No.
Pin
47
50
48
49
46
XRD
DLDI
XCS
XWR
XR/W
Symbol
I/O
I
I
I
I
I
Reference
voltage
level
CMOS
CMOS
CMOS
CMOS
CMOS
Equivalent circuit
– 5 –
46
49
DV
DGND
47 48
50
CC
Internal RAM chip select.
Internal RAM access is enabled by
inputting low level. (See Table 1.
Read/Write Switching Condition
Correspondence Table.)
Internal RAM read/write select.
Write mode is selected for high level, and
read mode for low level. See Table 1.
Read/Write Switching Condition
Correspondence Table for the actual
read/write switching signal input conditions.
Write clock input.
This pin is used to input the clock for
writing the luminance, brightness and
drive current data. It is not
synchronized with CLK.
Read clock input.
This pin is used to input the clock for
externally reading the luminance,
brightness and drive current data. It is
not synchronized with CLK.
Trigger signal input for luminance data
RAM (A)/(B) switching and PWM
output start.
(See the Timing Charts.)
Description
CXA2108Q