PEB2466 SIEMENS [Siemens Semiconductor Group], PEB2466 Datasheet - Page 45
PEB2466
Manufacturer Part Number
PEB2466
Description
Four Channel Codec Filter with PCM- and m-Controller Interface SICOFI4-mC
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PEB2466.pdf
(82 pages)
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3.5.5
Register XR4 provides two optional functions: debouncing of signaling input changes,
and the configuration of the programmable output pin CHCLK1.
Signaling Debounce Interval N
To restrict the rate of changes on signaling input pins transferred, deglitching of the
status information from the SLIC may be applied. New status information will be read into
registers XR0, XR1, XR2 and XR3, and an interrupt on pin INT12 (INT34) will be
generated, after it has been stable for N milliseconds. N is programmable in the range of
2 to 30 ms in steps of 2 ms, with N = 0 the debouncing is disabled.
0
0
0
.
.
1
1
Configuration of CHCLK1
0
0
0
.
.
1
1
Semiconductor Group
Bit 7
0
0
0
.
.
1
1
Field T
XR4 Extended Register 4
0
0
0
.
.
1
1
0
0
1
.
.
1
1
Field N
0
1
0
.
.
0
1
0
0
1
.
.
1
1
Frequency applied to Pin CHCLK1
CHCLK1 is set to 1 permanently
T is 2ms
T is 4ms
.
.
T is 28 ms
CHCLK1 is set to 0 permanently
N
0
1
0
.
.
0
1
Debounce Interval Time
Debounce and interrupt generation is disabled
Debounce period 2 ms
Debounce period 4 ms
.
.
Debounce period 28 ms
Debounce period 30 ms
45
Programming the SICOFI
T
PEB 2466
0
®
-4- C
02.97