UPD9903GT NEC [NEC], UPD9903GT Datasheet - Page 14

• Manufacturer Part Number: UPD9903GT
• Description: UPD9903 ANALOG SUBSCRIBER LINE LSI DIGITAL CODEC
• Manufacturer: NEC [NEC]

(2) SCN data transmission timing (HW
14
(SCN data)
(SCN data)
(a) DCLK is later than FS
(b) FS is later than DCLK
TYPE
DCLK
HW
DCLK
TYPE
HW
FS
FS
X
X
t
Hi-Z
CSD2
t
F
Hi-Z
Hi-Z
Hi-Z
t
CSD1
t
t
t
DZX1
t
DZX2
DZX1
DZX2
1
1
t
WHSC
MSB
t
MSB
CY
t
DCLK
t
R
X
pin)
2
t
DDX
t
DCLK
2
Hi-Level
Hi-Level
2nd
t
F
2nd
t
WLS
7th
7th
8
8
LSB
LSB
t
t
HZX
HZX
Hi-Z
Hi-Z
PD9903
t
R