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MGM844

24 (27)

7

(8)

VDDI

8

(9)

VSSI

25 (29)

28 (32)

5 (6)

6 (7)

22

pF

22

pF

GP0/BCKI

GP5/WSI

(31) 27

(18) 15

SDA

Vref

(23) 20

VDDO

(22)19

VSSO

(30) 26

SCL

GP1/DI

BCK

digital

input

WS

DI

D

−

7

+3.3 V

D

+

8

6

5

10

nF

10 nF

L6

(1)

1.5

k

Ω

22

Ω

22

Ω

100 nF

100 nF

1

Ω

10

(11)

VDDE

9

(10)

VSSE

(1)

100 nF

100 nF

1

Ω

14

(16)

VDDX

11

(13)

VSSX

(1)

100 nF

100 nF

100 nF

1

Ω

1

Ω

100

µF

+3.3 V

+3.3 V

1

VDD

8

A0

2

PTC

7

A1

3

SCL

6

A2

4

SDA

5

VSS

10

k

Ω

+3.3 V

10

k

Ω

PCX8582X-2

100

nF

4.7

µF

(24) 21

VOUTL

47

µF

LEFT

(21) 18

VOUTR

47

µF

RIGHT

100 nF

1

Ω

+3.3 V

(20) 17

VDDA

(19) 16

VSSA

100 nF

1

Ω

+3.3 V

(1) 1

GP2/DO

(2) 2

GP3/WSO

(3) 3

GP4/BCKO

(4) 4

SHTCB

(25) 22

TC

(26) 23

RTCB

BCK

digital

output

WS

DO

10 nF

13 (15)

12 (14)

XTAL2

XTAL1

1.5

µH

12 pF

4.7 pF

48 MHz

UDA1321T

(UDA1321PS)

1

2

3

4

1

X4

2

3

4

Fig.13 Application diagram SO28 and SDIP32.

Pin numbers in parenthesis represent the UDA1321PS.

(1) BLM32A07.