參數(shù)資料
型號: MAX7315ATE+T
廠商: Maxim Integrated Products
文件頁數(shù): 11/26頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16TQFN-EP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
接口: I²C,SM 總線
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 2 V ~ 3.6 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤
供應商設備封裝: 16-TQFN-EP(3x3)
包裝: 帶卷 (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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