Table 7. ports register format (0x04), Table 8. autorepeat register format (0x05) – Rainbow Electronics MAX7359 User Manual
Page 12
MAX7359
2-Wire Interfaced Low-EMI
Key Switch Controller/GPO
12
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REGISTER BIT
DESCRIPTION
VALUE
FUNCTION
DEFAULT VALUE
0
Clear port 7 low
D7
PORT 7 Control
1
Set port 7 high (high impedance)
1
0
Clear port 6 low
D6
PORT 6 Control
1
Set port 6 high (high impedance)
1
0
Clear port 5 low
D5
PORT 5 Control
1
Set port 5 high (high impedance)
1
0
Clear port 4 low
D4
PORT 4 Control
1
Set port 4 high (high impedance)
1
0
Clear port 3 low
D3
PORT 3 Control
1
Set port 3 high (high impedance)
1
0
Clear port 2 low
D2
PORT 2 Control
1
Set port 2 high (high impedance)
1
0
Clear port INT low
D1
INT Port Control
1
Set port INT high (high impedance)
1
D0
Reserved
0
—
0
Table 7. Ports Register Format (0x04)
REGISTER DATA
D7
D6
D5
D4
D3
D2
D1
D0
REGISTER DESCRIPTION
ENABLE
AUTOREPEAT RATE
AUTOREPEAT DELAY
Autorepeat is disabled
0
X
X
X
X
X
X
X
Autorepeat is enabled
1
AUTOREPEAT RATE
AUTOREPEAT DELAY
Key-switch autorepeat delay is 8 debounce cycles
1
X
X
X
0
0
0
0
Key-switch autorepeat delay is 16 debounce cycles
1
X
X
X
0
0
0
1
Key-switch autorepeat delay is 24 debounce cycles
1
X
X
X
0
0
1
0
.
.
.
Key-switch autorepeat delay is 112 debounce cycles
1
X
X
X
1
1
0
1
Key-switch autorepeat delay is 120 debounce cycles
1
X
X
X
1
1
1
0
Key-switch autorepeat delay is 128 debounce cycles
1
X
X
X
1
1
1
1
Key-switch autorepeat frequency is 4 debounce cycles
1
0
0
0
X
X
X
X
Key-switch autorepeat frequency is 8 debounce cycles
1
0
0
1
X
X
X
X
Key-switch autorepeat frequency is 12 debounce cycles
1
0
1
0
X
X
X
X
.
.
.
Key switch autorepeat frequency is 32 debounce cycles
1
1
1
1
X
X
X
X
Power-up default setting
0
0
0
0
0
0
0
0
Table 8. Autorepeat Register Format (0x05)