MAX7370 Maxim, MAX7370 Datasheet - Page 23

• Manufacturer Part Number: MAX7370
• Description: The MAX7370 I²C-interfaced peripheral provides microprocessors with management of up to 64 key switches, with optional GPIO and PWM-controlled LED drivers
• Manufacturer: Maxim

with I
Table 11. Key-Switch Autorepeat Register (0x05)
X = Don’t care.
Table 12. Autosleep Register (0x06)
Autosleep disabled
8192
4096
2048
1024
512
256
256
Power-up default settings
Autorepeat is disabled
Autorepeat is enabled
Autorepeat delay is 8 debounce cycles
Autorepeat delay is 16 debounce cycles
Autorepeat delay is 24 debounce cycles
Autorepeat delay is 112 debounce cycles
Autorepeat delay is 120 debounce cycles
Autorepeat delay is 128 debounce cycles
Autorepeat frequency is 4 debounce cycles
Autorepeat frequency is 8 debounce cycles
Autorepeat frequency is 12 debounce
cycles
Autorepeat frequency is 24 debounce
cycles
Autorepeat frequency is 28 debounce
cycles
Autorepeat frequency is 32 debounce
cycles
Power-on default setting
REGISTER DESCRIPTION
8 x 8 Key-Switch Controller and LED Driver/GPIOs
AUTOSLEEP (ms)
REGISTER DESCRIPTION
2
C Interface and High Level of ESD Protection
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⋮
⋮
D7
0
0
0
0
0
0
0
0
0
ENABLE
D7
D6
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
RESERVED
D6
D5
AUTOREPEAT RATE
0
0
0
0
0
0
0
0
0
X
0
0
0
1
1
1
0
Autorepeat rate
REGISTER DATA
D5
X
X
X
0
0
1
0
1
1
0
D4
0
0
0
0
0
0
0
0
0
REGISTER DATA
D4
X
0
1
0
1
0
1
0
D3
0
0
0
0
0
0
0
0
0
D3
AUTOSHUTDOWN TIME
X
0
0
0
1
1
1
0
AUTOREPEAT DELAY
D2
0
0
0
0
1
1
1
1
1
Autorepeat delay
D2
X
0
0
0
1
1
1
0
MAX7370
X
X
D1
0
0
1
1
0
0
1
1
1
D1
X
0
0
1
0
1
1
0
D0
0
1
0
1
0
1
0
1
1
D0
X
0
1
0
1
0
1
0