参数资料
型号: MAX7315ATE+T
厂商: Maxim Integrated Products
文件页数: 11/26页
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 16TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
接口: I²C,SM 总线
输入/输出数: 8
中断输出:
频率 - 时钟: 400kHz
电源电压: 2 V ~ 3.6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(3x3)
包装: 带卷 (TR)
MAX7315
8-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
______________________________________________________________________________________
19
Figure 16. Individual (or Global) Set to 15/16
MASTER INTENSITY TIMESLOT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
NEXT MASTER INTENSITY TIMESLOT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Figure 15. Individual (or Global) Set to 1/16
MASTER INTENSITY TIMESLOT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
NEXT MASTER INTENSITY TIMESLOT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Figure 17. Individual (or Global) Set to 16/16
MASTER INTENSITY TIMESLOT CONTROL IS IGNORED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Table 11. PWM Intensity Settings (Blink Disabled)
PWM DUTY CYCLE
OUTPUT BLINK PHASE 0
REGISTER BIT = 0
PWM DUTY CYCLE
OUTPUT BLINK PHASE 0
REGISTER BIT = 1
OUTPUT
(OR
GLOBAL)
INTENSITY
SETTING
LOW TIME
HIGH TIME
LED BEHAVIOR WHEN
OUTPUT BLINK PHASE 0
REGISTER BIT = 0
(LED IS ON WHEN
OUTPUT IS LOW)
LOW TIME
HIGH TIME
LED BEHAVIOR WHEN
OUTPUT BLINK PHASE 0
REGISTER BIT = 1
(LED IS ON WHEN
OUTPUT IS LOW)
0x0
1/16
15/16
Lowest PWM intensity
15/16
1/16
Highest PWM intensity
0x1
2/16
14/16
2/16
0x2
3/16
13/16
3/16
0x3
4/16
12/16
4/16
0x4
5/16
11/16
5/16
0x5
6/16
10/16
6/16
0x6
7/16
9/16
7/16
0x7
8/16
0x8
9/16
7/16
9/16
0x9
10/16
6/16
10/16
0xA
11/16
5/16
11/16
0xB
12/16
4/16
12/16
0xC
13/16
3/16
13/16
0xD
14/16
2/16
Increasing
PWM
intensity
2/16
14/16
Increasing
PWM
intensity
0xE
15/16
1/16
Highest PWM intensity
1/16
15/16
Lowest PWM intensity
0xF
Static low
Full intensity, no PWM
(LED on continuously)
Static high
impedance
Static high
impedance
LED off continuously
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