Le58083
Data Sheet
SOP 12. Write/Read Ground Key Filter Sampling Interval
GCI Command
(E8/E9h)
R/W = 0: Write
R/W = 1: Read
D7
D6
D5
D4
D3
D2
D1
D0
Command
I/O Data
1
1
1
0
1
0
0
R/W
GK0
RSVD
RSVD
RSVD
RSVD
GK3
GK2
GK1
Filter Ground Key
GK = 0–15
Filter sampling period in ms
GK contains the filter sampling time (in ms) of the CD1B data (usually Ground Key) or CD2 entering the
upstream C/I channel described earlier.
RSVD
Reserved for future use. Always write as 0, but 0 is not guaranteed when read.
Power Up and Hardware Reset (RST) Value = x0h.
SOP 13. Read Real-Time Data Register
GCI Command
(4D/4Fh)
C = 0: Do not clear interrupt
C = 1: Clear interrupt
This register reads real-time data with or without closing the interrupt.
D
D
D
D
D
D
D
D
0
7
6
5
4
3
2
1
Command
I/O Data
0
1
0
0
1
1
C
1
CDB4
CDA4
CDB3
CDA3
CDB2
CDA2
CDB1
CDA1
Real Time Data
CDA1
Debounced data bit 1 on Channel 1
CDB1
CDA2
CDB2
CDB3
CDA3
CDB4
CDA4
Data bit 2 or multiplexed data bit 1 on Channel 1
Debounced data bit 1 on Channel 2
Data bit 2 or multiplexed data bit 1 on Channel 2
Debounced data bit 1 on Channel 3
Data bit 1 on Channel 3
Debounced data bit 1 on Channel 4
Data bit 2 or multiplexed data bit 1 on Channel 4
This data is also available in the C/I field of the upstream SC channel.
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Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
