Rainbow Electronics MAX7313 - Manual (Page 14)

MAX7313
16-Port I/O Expander with LED Intensity
Control and Interrupt
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Table 3. Power-Up Configuration
REGISTER DATA
REGISTER FUNCTION POWER-UP CONDITION
ADDRESS
CODE
(HEX)
D7 D6 D5 D4 D3 D2 D1 D0
Blink phase 0 outputs P7–P0 High-impedance outputs 0x02 1 1 1 1 1 1 1 1
Blink phase 0 outputs P15–P8 High-impedance outputs 0x03 1 1 1 1 1 1 1 1
Ports configuration P7–P0 Ports P7–P0 are inputs 0x06 1 1 1 1 1 1 1 1
Ports configuration P15–P8 Ports P15–P8 are inputs 0x07 1 1 1 1 1 1 1 1
Blink phase 1 outputs P7–P0 High-impedance outputs 0x0A 1 1 1 1 1 1 1 1
Blink phase 1 outputs P15–P8 High-impedance outputs 0x0B 1 1 1 1 1 1 1 1
Master, O16 intensity
PWM oscillator is disabled;
O16 is static logic output
0x0E 0 0 0 0 1 1 1 1
Configuration
INT/O16 is interrupt output;
blink is disabled;
global intensity is enabled
0x0F 0 0 0 0 1 1 0 0
Outputs intensity P1, P0 P1, P0 are static logic outputs 0x10 1 1 1 1 1 1 1 1
Outputs Intensity P3, P2 P3, P2 are static logic outputs 0x11 1 1 1 1 1 1 1 1
Outputs intensity P5, P4 P5, P4 are static logic outputs 0x12 1 1 1 1 1 1 1 1
Outputs intensity P7, P6 P7, P6 are static logic outputs 0x13 1 1 1 1 1 1 1 1
Outputs intensity P9, P8 P9, P8 are static logic outputs 0x14 1 1 1 1 1 1 1 1
Outputs intensity P11, P10 P11, P10 are static logic outputs 0x15 1 1 1 1 1 1 1 1
Outputs intensity P13, P12 P13, P12 are static logic outputs 0x16 1 1 1 1 1 1 1 1
Outputs intensity P15, P14 P15, P14 are static logic outputs 0x17 1 1 1 1 1 1 1 1
Table 4. Configuration Register
REGISTER DATA
REGISTER
ADDRESS
CODE
(HEX)
D7 D6 D5 D4 D3 D2 D1 D0
CONFIGURATION
R/ W
INTERRUPT
STATUS
—
INTERRUPT
OUTPUT
CONTROL
AS GPO
INTERRUPT
ENABLE GLOBAL
INTENSITY BLINK FLIP
BLINK
ENABLE
Write device configuration 0 X
Read back device configuration 1
INT
O
O1 O0 I G B E
Disable blink — X X X X X X X 0
Enable blink — X X X X X X X 1
— X X X X X X 0 1
Flip blink register (see text)
—
0x0F
X X X X X X 1 1