Pad Coordinates

Pad No.

X

Y

Pad No.

X

Y

1

-879.100

1202.400

16

693.900

1240.150

2

-879.100

1097.100

17

583.300

1240.150

3

-879.100

986.500

18

483.300

1240.150

4

-879.100

886.500

19

372.700

1240.150

5

-898.600

-805.050

20

272.700

1240.150

6

-898.600

-931.910

21

162.100

1240.150

7

-847.650

-1041.910

22

62.100

1240.150

8

-847.650

-1180.350

23

-48.500

1240.150

9

-193.090

-1200.600

24

-148.500

1240.150

10

-81.290

-1200.600

25

-259.100

1240.150

11

875.950

-1262.274

26

-359.100

1240.150

12

875.950

-1149.626

27

-469.700

1240.150

13

875.950

-471.774

28

-569.700

1240.150

14

901.500

1240.150

29

-680.300

1240.150

15

793.900

1240.150

Pad Description

Pad Name

I/O

Internal

Connection

Function

PA0~PA7

I/O

Pull-High

or None

Bidirectional 8-bit Input/Output port

PB0~PB7

I/O

Pull-High

or None

Bidirectional 8-bit Input/Output port

PC0~PC3

I/O

Pull-High

or None

Bidirectional 8-bit Input/Output port

VSS

¾¾

Negative power supply, ground

VSSA

¾¾

Negative power supply of DAC, ground

VDD

¾¾

Digital power supply

VDDA

¾¾

DAC power supply

AUD

O

¾

Audio output

TEST

¾¾

No connection (open)

RES

I

¾

Reset input, active low (no pull-high)

OSC1

OSC2

I

O

¾

OSC1 and OSC2 are connected to an RC network or a crystal (by mask op-

tion) for the internal system clock. In the case of RC operation, OSC2 is the

output terminal for 1/8 system clock. The system clock may come from the

crystal, the two pins cannot be floating.

HT36A3

Rev. 1.00

3

June 30, 2003