参数资料
型号: MAX6955ATL+T
厂商: Maxim Integrated
文件页数: 26/43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: 2,500
显示器类型: LED
配置: 7、14、16 段
接口: I²C
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: 带卷 (TR)
MAX6955
2-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
Table 17. Configuration Register Format
Table 18. Shutdown Control (S Data Bit DO)
MODE
Configuration
Register
D7
P
D6
I
REGISTER DATA
D5 D4 D3 D2
R T E B
D1
X
D0
S
Format
MODE
Shutdown
D7
P
D6
I
REGISTER DATA
D5 D4 D3 D2
R T E B
D1
X
D0
0
Normal
Operation
P
I
R
T
E
B
X
1
Table 19. Blink Rate Selection (B Data Bit D2) Format
MODE
D7
D6
REGISTER DATA
D5 D4 D3 D2
D1
D0
Slow blinking. Segments blink on for 1s, off for 1s with f OSC = 4MHz.
Fast blinking. Segments blink on for 0.5s, off for 0.5s with f OSC = 4MHz.
P
P
I
I
R
R
T
T
E
E
0
1
X
X
S
S
Table 20. Global Blink Enable/Disable (E Data Bit D3) Format
MODE
Blink function is disabled.
Blink function is enabled.
D7
P
P
D6
I
I
D5
R
R
REGISTER DATA
D4 D3
T 0
T 1
D2
B
B
D1
X
X
D0
S
S
Table 21. Digit Register Mapping with Blink Globally Enabled
SEGMENT’S BIT SETTING
IN PLANE P1
0
0
1
1
SEGMENT’S BIT SETTING
IN PLANE P0
0
1
0
1
SEGMENT
BEHAVIOR
Segment off.
Segment on only during the 1st half of each
blink period.
Segment on only during the 2nd half of each
blink period.
Segment on.
Table 22. Global Blink Timing Synchronization (T Data Bit D4) Format
MODE
D7
D6
D5
REGISTER DATA
D4 D3
D2
D1
D0
Blink timing counters are reset during the I C acknowledge.
Blink timing counters are unaffected.
2
P
P
I
I
R
R
0
1
E
E
B
B
X
X
S
S
Table 23. Global Clear Digit Data (R Data Bit D5) Format
MODE
D7
D6
REGISTER DATA
D5 D4 D3 D2
D1
D0
Digit data for both planes P0 and P1 are unaffected.
Digit data for both planes P0 and P1 are cleared during the I 2 C acknowledge.
P
P
I
I
0
1
T
T
E
E
B
B
X
X
S
S
26
Maxim Integrated
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