CXA2108 查看數據表（PDF） - Sony Semiconductor

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CXA2108

Constant-Current Driver for Full Color LED Display

Sony Semiconductor 

Pin

No.

Reference

Symbol I/O voltage

level

55 REXT O

CXA2108Q

Equivalent circuit

Description

AVCC

55

AGND

Drive current setting.

Connect a resistor between this pin

and GND. The drive current is

proportional to the current flowing to

this resistor. (See Table 2. Drive

Current Setting and Power

Consumption.)

1 to 4,

6, 7,

58, 59,

61 to 65, IOUT0

67 to 69, to 23

O

71 to 74,

76 to 78,

80

AVCC

1234

6 7 58 59

61 62 63 64

65 67 68 69

71 72 73 74

76 77 78 80

IGND

Drivers.

These pins drive the LED.

XCS

[I]

L

H

XR/W

[I]

L

H

L

H

A9

Luminance

Drive current

[I]

Write

Read

Write

Read

L

Disable Enable Disable Disable

H

Disable Disable Disable Enable

L

Enable Disable Disable Disable

H

Disable Disable Enable Disable

L

Disable Disable Disable Disable

H

Disable Disable Disable Disable

L

Disable Disable Disable Disable

H

Disable Disable Disable Disable

Table 1. Read/Write Switching Condition Correspondence Table

D0 to 9

[I/O]

Output

Output

Input

Input

Hi-Z

Hi-Z

Hi-Z

Hi-Z

–7–

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