AK2346A Datasheet, PDF (28/37 Pages) Asahi Kasei Microsystems – Two-way Radio Audio Processor

ASAHI KASEI
[AK2346A]
2) MSK Modulator Timing
Parameter
Symbol
Min.
MSKSW1 Falling to MSKCLK Rising
MSKSL=”0”
T1
MSKSL=”1”
MSKCLK Period
MSKSL=”0”
T2
MSKSL=”1”
MSKDATA Set up time
TS
1
MSKDATA Hold time
TH
1
MSKDATA Hold time2
TH2
2
Typ.
208.3
416.7
416.7
833.3
Max.
Units
us
us
us
M S KCLK
MSKSW 0
R e gis te r da ta
T1
T2
MSKSW 1
TH2
TS
TH
M SK DATA
MOD
(M S KS L =” 0”)
(M S KS L =” 1”)
Note: The timing of setting the internal registers TXSW1 and TXSW2 is synchronized with the falling
edge of DIR pin.
3) MSK Demodulator Timing
Parameter
Symbol
Min.
RCLK Period and FD pulse width
MSKSL=”0”
T
MSKSL=”1”
RDF Falling to SCLK Falling time
tj
100
SCLK Rising to RDF Falling time
tk
600
Typ.
416.7
833.3
Max.
Units
us
ns
MS1289-E-02
- 28 -
2012/06