
Pad Coordinates
Unit: m
Pad No.
X
Y
Pad No.
X
Y
1
1365.58
1008.20
20
1273.90
1415.28
2
1365.58
748.60
21
1367.30
1106.75
3
1365.58
489.00
22
1367.30
847.15
4
1365.58
229.40
23
1367.30
587.55
5
1365.58
30.2
24
1367.30
327.95
6
1365.58
289.80
25
1367.30
68.35
191.25
7
1365.58
549.40
26
1367.30
8
1365.58
809.00
27
1367.30
450.85
9
1365.58
1068.60
28
1367.30
710.45
10
1365.58
1328.20
29
1367.30
970.05
11
1062.50
1415.28
30
1172.575
1414.78
12
802.90
1415.28
31
965.075
1414.78
13
543.30
1415.28
32
705.475
1414.78
14
283.70
1415.28
33
497.925
1414.78
15
24.10
235.50
1415.28
34
349.436
1396.935
16
1415.28
35
328.416
1396.935
17
495.10
1415.28
36
481.370
1368.13
18
754.70
1415.28
37
611.375
1368.13
19
1014.30
1415.28
38
741.385
1368.13
Pad Description
Pad No.
Pad Name
I/O
Internal
Connection
Function
1~8
PA0~PA7
I/O
Pull-High
or None
Bidirectional 8-bit Input/Output port, wake-up by mask option
9~16
PB0~PB7
I/O
Pull-High
or None
Bidirectional 8-bit Input/Output port
17~24
PC0~PC7
I/O
Pull-High
or None
Bidirectional 8-bit Input/Output port
25
PD0
I/O
Pull-High
or None
Bidirectional 8-bit Input/Output port
26
PD1/DOUT
I/O
Pull-High
or None
Bidirectional 8-bit Input/Output port DAC data out
27
PD2/LOAD
I/O
Pull-High
or None
Bidirectional 8-bit Input/Output port DAC word clock
28
PD3/DCLK
I/O
Pull-High
or None
Bidirectional 8-bit Input/Output port DAC bit clock
29
RES
I
Reset input, active low
30
VSSA
Negative power supply of DAC, ground
31
RCH
O
CMOS
R channel audio output
32
LCH
O
CMOS
L channel audio output
33
VDDA
DAC power supply
35
34
OSC1
OSC2
I
O
OSC1 and OSC2 are connected to an RC network or a crystal (by
mask option) for the internal system clock. In the case of RC opera-
tion, OSC2 is the output terminal for 1/8 system clock. The system
clock may come from the crystal, the two pins cannot be floating.
36, 37
VSS
Negative power supply, ground
38
VDD
Positive power supply
HT36A0
Rev. 1.20
3
June 18, 2003