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8.5 Keypad Interface Commands

Table 24: Keypad Interface Commands

Command Syntax Default Notes

Auto repeat mode on FE 7E [0x00|0x01] 254

126 [0|1]

254 ’~’ [0|1]

Off

Applies to key-

pad only.0x00

= 200 ms type-

matic,0x01 =

key down/key up

codes sent.

Auto repeat mode off FE 60

254 96

254 ’‘’

Off

Applies to keypad

only.

Auto transmit key presses

FE 41

254 65

254 ’A’

Sets auto transmit

mode for keypad.

Key presses are

transmitted to

host without

polling.

Auto transmit key presses

off

FE 4F

254 79

254 ’O’

Off

Up to 10 key

presses buffered

until polled.

Clear key buffer FE 45

254 69

254 ’E’

N/A Clear unread key

presses.

Poll keypad FE 26

254 38

254 ’&’

N/A Returns buffered

key presses to ap-

plication. Returns

0x00 if no key

presses. High or-

der bit set unless

this is the last /

only key press.

Set debounce time FE 55 [time]

254 85 [time]

254 ’U’ [time]

52ms

Resolution: 1 =

0.6554 ms [time]

is a numeric mul-

tiplier.

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