AK2305 Datasheet, PDF (5/43 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for ISDN TERMINAL ADAPTER

ASAHI KASEI
PIN CONDITION
[AK2305]
Pin# Name I/O Pin type
AC load
(MAX.)
DC load
(MIN.)
Outout status
(Power down
mode)
Output status
(Reset)
Remarks
1 VRX0
O
Analog
50pF
10kΩ
Hi-Z
Hi-Z
2 VFR0
I
Analog
3 GSR0
O
Analog
50pF
10kΩ (*1)
Hi-Z
Hi-Z
4 VREF
O
Analog
external cap
5 LPC
O
Analog
external cap
6 AVDD
-
7 AVSS
-
8 AUX
I
Analog
9 TNOUT
O
Analog
50pF
10kΩ
Hi-Z
Hi-Z
10 GSR1
O
Analog
50pF
10kΩ (*1)
Hi-Z
Hi-Z
11 VFR1
I
Analog
12 VRX1
O
Analog
50pF
10kΩ
Hi-Z
Hi-Z
13 VFX1
I
Analog
14 GSX1
O
Analog
50pF
10kΩ (*1)
Hi-Z
Hi-Z
15 DTIN1
I
Analog
16 TST2
I
TTL
Factory use only
17 MUTE1
I
TTL
18 MUTE0
I
TTL
19 PD
I
TTL
20 DTOE
I
TTL
21 TNOE1
I
TTL
22 TNOE0
I
TTL
23 STD1
O
CMOS
15pF
L
L
24 STD0
O
CMOS
15pF
L
L
25 FS1
I
TTL
(*2)
26 FS0
I
TTL
27 BCLK
I
TTL
28 DX1
O
CMOS
15pF
Hi-Z
Hi-Z
29 DX0
O
CMOS
15pF
Hi-Z
Hi-Z
30 DVSS
-
31 DVDD
-
32 DR1
I
TTL
(*3)
33 DR0
I
TTL
34 DATA
I/O TTL/CMOS
15pF
Input
Input
35 SCLK
I
TTL
36 CSN
I
TTL
37 DTO00
O
CMOS
15pF
Hi-Z
Hi-Z
38 DTO01
O
CMOS
15pF
Hi-Z
Hi-Z
39 DTO02
O
CMOS
15pF
Hi-Z
Hi-Z
40 DTO03
O
CMOS
15pF
Hi-Z
Hi-Z
41 DTO10
O
CMOS
15pF
Hi-Z
Hi-Z
42 DTO11
O
CMOS
15pF
Hi-Z
Hi-Z
43 DTO12
O
CMOS
15pF
Hi-Z
Hi-Z
44 DTO13
O
CMOS
15pF
Hi-Z
Hi-Z
45 TST1
I
TTL
Factory use only
46 DTIN0
I
Analog
47 GSX0
O
Analog
50pF
10kΩ (*1)
Hi-Z
Hi-Z
48 VFX0
I
Analog
*1) DC load(MIN.) includes a feedback resistance of input/output op-amp. *2) Pulled down to VSS in GCI/IDL mode.
*3) Pulled down to VSS in 2ch Multiplex mode.
C0029-E-02
5
1999/8