65
S-301
W19B(L)320ST/B (IC211: 1U-3693)
Function
Pin
No.
Pin Name
I/O
* For latch-up countermeasure, perform each power supply ON/OFF in the same timing.
28
XOUT
O
X’tal osc. connecting output terminal
29
XIN
I
X’tal osc. connection, external clock input terminal (24.576MHz or 12.288MHz)
30
DVDD
—
Digital power
31
DGND
—
Digital GND
32
EMPHA/UO
I/O
Emphasis information/U-data output/Chip address setting terminal
33
AUDIO/VO
I/O
Non-PCM detect/V-flag output/ Chip address setting terminal
34
CKST
I/O
Clock switch transition period output/Demodulation master or slave function switching terminal
35
INT
I/O
Interrupt output for
µ
com (Interrupt factor selectable)/Modulation or general I/O switching terminal
36
RERR
O
PLL lock error, data error flag output
37
DO
O
µ
com I/F, read out data output terminal (3-state)
38
DI
I
µ
com I/F, write data input terminal
39
CE
I
µ
com I/F, chip enable input terminal
40
CL
I
µ
com I/F, clock input terminal
41
XMODE
I
System reset input terminal
42
DGND
—
Digital GND
43
DVDD
—
Digital power
44
TMCK/PIO0
I/O
256fs system clock input for modulation/General I/O in/output terminal
45
TBCK/PIO1
I/O
64fs bit clock input for modulation/General I/O in/output terminal
46
TLRCK/PIO2
I/O
fs clock input for modulation/General I/O in/output terminal
47
TDATA/PIO3
I/O
Serial audio data input for modulation/General I/O in/output terminal
48
TXO/PIOEN
O/I
Modulation data output/ General I/O enable input terminal
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