参数资料
型号: MAX6954ATL+
厂商: Maxim Integrated
文件页数: 13/39页
文件大小: 0K
描述: IC DRVR DSPL LED 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
显示器类型: LED
配置: 7、14、16 段
接口: 4 线串行
电流 - 电源: 22mA
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(6x6)
包装: 管件
4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
Table 6. Register Address Map
REGISTER
D15
D14
ADDRESS (COMMAND BYTE)
D13 D12 D11 D10
D9
D8
HEX CODE
No-Op
Decode Mode
Global Intensity
Scan Limit
Configuration
GPIO Data
Port Configuration
Display Test
Write KEY_A Mask
Read KEY_A Debounce
Write KEY_B Mask
Read KEY_B Debounce
Write KEY_C Mask
Read KEY_C Debounce
Write KEY_D Mask
Read KEY_D Debounce
Write Digit Type
Read KEY_A Pressed
Read KEY_B Pressed*
Read KEY_C Pressed*
Read KEY_D Pressed*
Intensity 10
Intensity 32
Intensity 54
Intensity 76
Intensity 10a (7 Segment Only)
Intensity 32a (7 Segment Only)
Intensity 54a (7 Segment Only)
Intensity 76a (7 Segment Only)
Digit 0 Plane P0
Digit 1 Plane P0
Digit 2 Plane P0
Digit 3 Plane P0
Digit 4 Plane P0
Digit 5 Plane P0
Digit 6 Plane P0
Digit 7 Plane P0
Digit 0a Plane P0 (7 Segment Only)
Digit 1a Plane P0 (7 Segment Only)
Digit 2a Plane P0 (7 Segment Only)
Digit 3a Plane P0 (7 Segment Only)
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
1
1
1
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
R/ W
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
*Do NOT write to register.
______________________________________________________________________________________
13
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