Rainbow Electronics MAX7360 - Manual (Page 9)

I 2 C-Interfaced Key-Switch Controller and LED
Driver/GPIOs with Integrated ESD Protection
MAX7360
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Table 1. Register Address Map and Power-Up Condition
ADDRESS
CODE
(hex)
READ/
WRITE
POWER-UP
VALUE (hex)
REGISTER
FUNCTION
DESCRIPTION
0x00 Read only 0x3F Keys FIFO Read FIFO key-scan data out
0x01 R/W 0x0A Configuration
Power-down, key-release enable, autowakeup, and I 2 C time-
out enable
0x02 R/W 0xFF Debounce Key debounce time settling and GPO enable
0x03 R/W 0x00 Interrupt Key-switch interrupt INTK frequency setting
0x04 R/W 0xFE GPO COL2–COL7 and INTK GPO control
0x05 R/W 0x00 Key repeat Delay and frequency for key repeat
0x06 R/W 0x07 Sleep Idle time to autosleep
0x40 R/W 0x00
GPIO global con-
figuration
Rotary switch, GPIO standby, GPIO reset, fade
0x41 R/W 0x00 GPIO control PORT0–PORT7 input/output control
0x42 R/W 0x00 GPIO debounce PORT0–PORT7 debounce time setting
0x43 R/W 0xC0
GPIO constant-
current setting
PORT0–PORT7 constant-current output setting
0x44 R/W 0x00 GPIO output mode PORT0–PORT7 output mode control
0x45 R/W 0x00 Common PWM Common PWM duty-cycle setting
0x46 R/W 0x00
Rotary switch con-
figuration
Rotary switch interrupt frequency and debounce time setting
0x48 Read only 0x00 I 2 C timeout flag I 2 C timeout since last POR
0x49 Read only 0xFF GPIO input register PORT0–PORT7 input values
0x4A Read only 0x00 Rotary switch count Switch cycles since last read
0x50 R/W 0x00 PORT0 PWM PORT0 individual duty-cycle setting
0x51 R/W 0x00 PORT1 PWM PORT1 individual duty-cycle setting
0x52 R/W 0x00 PORT2 PWM PORT2 individual duty-cycle setting
0x53 R/W 0x00 PORT3 PWM PORT3 individual duty-cycle setting
0x54 R/W 0x00 PORT4 PWM PORT4 individual duty-cycle setting
0x55 R/W 0x00 PORT5 PWM PORT5 individual duty-cycle setting
0x56 R/W 0x00 PORT6 PWM PORT6 individual duty-cycle setting
0x57 R/W 0x00 PORT7 PWM PORT7 individual duty-cycle setting
0x58 R/W 0x00 PORT0 configuration PORT0 interrupt, PWM mode control and blink period setting
0x59 R/W 0x00 PORT1 configuration PORT1 interrupt, PWM mode control and blink period setting
0x5A R/W 0x00 PORT2 configuration PORT2 interrupt, PWM mode control and blink period setting
0x5B R/W 0x00 PORT3 configuration PORT3 interrupt, PWM mode control and blink period setting
0x5C R/W 0x00 PORT4 configuration PORT4 interrupt, PWM mode control and blink period setting
0x5D R/W 0x00 PORT5 configuration PORT5 interrupt, PWM mode control and blink period setting
0x5E R/W 0x00 PORT6 configuration PORT6 interrupt, PWM mode control and blink period setting
0x5F R/W 0x00 PORT7 configuration PORT7 interrupt, PWM mode control and blink period setting