MAX6964 Maxim, MAX6964 Datasheet - Page 17

• Manufacturer Part Number: MAX6964
• Description: 17- OUTPUT LED DRIVER/GPO
• Manufacturer: Maxim

INTENSITY
GLOBAL)
SETTING
OUTPUT
10. PWM
(OR
0xC
0xD
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA
0xB
0xE
0xF
Static low
PWM DUTY CYCLE
REGISTER BIT = 0
10/16
11/16
12/16
13/16
14/16
15/16
LOW
TIME
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
OUTPUT BLINK
______________________________________________________________________________________
PHASE X
(
Static low
HIGH
15/16
14/16
13/16
12/16
11/16
10/16
TIME
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
impedance
Static high
)
PWM DUTY CYCLE
15/16
14/16
13/16
12/16
11/16
10/16
LOW
TIME
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
OUTPUT BLINK
REGISTER = 1
PHASE X
impedance
Static high
HIGH
10/16
11/16
12/16
13/16
14/16
15/16
TIME
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
P hase 0: LE D on at hi g h i ntensi ty
P hase 1: LE D on at hi g h i ntensi ty
P hase 1: LE D on at l ow i ntensi ty
Phase 0: LED on continuously
Phase 1: LED off continuously
P hase 0: LE D on at l ow i ntensi ty
REGISTER BIT = 0
REGISTER BIT = 1
BLINK PHASE 0
BLINK PHASE 1
Output is half intensity during both blink phases
EXAMPLES OF LED BLINK BEHAVIOR
(LED IS ON WHEN OUTPUT IS LOW)
P hase 0: LE D on at hi g h i ntensi ty
P hase 1: LE D on at l ow i ntensi ty
P hase 1: LE D on at hi g h i ntensi ty
Phase 0: LED off continuously
Phase 1: LED on continuously
P hase 0: LE D on at l ow i ntensi ty
REGISTER BIT = 1
REGISTER BIT = 0
17-
BLINK PHASE 0
BLINK PHASE 1
/GPO
LED
17