HT36B4
Pad Coordinates
Pad No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
X
-1194.900
-1194.900
-1194.900
-1194.900
-1194.900
-1194.900
-1194.900
-1194.900
-1194.900
-1194.900
-989.950
-894.950
-791.950
-696.950
-593.950
802.360
905.360
1000.360
1103.360
Y
1108.540
1013.540
910.540
815.540
712.540
617.540
514.540
-1203.060
-1306.060
-1401.060
-1396.900
-1396.900
-1396.900
-1396.900
-1396.900
-1396.900
-1396.900
-1396.900
-1396.900
Pad No.
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
X
1198.360
1194.200
1194.200
1194.200
1194.200
1194.200
1194.200
1194.200
1194.200
1194.200
1138.475
1038.450
925.450
819.765
-154.540
-249.540
-376.070
-487.200
-601.535
Y
-1396.900
-1191.950
-1096.950
-993.950
-898.950
36.550
131.550
234.550
329.550
432.550
1393.120
1393.120
1393.120
1393.120
1392.655
1392.655
1390.100
1390.600
1390.100
Unit:
mm
Pad Description
Pad No.
1~8
9~16,
17~24,
25
26
27
28
29
30
31
32
33
Pad Name
PA0~PA7
PB0~PB7,
PC0~PC7,
PD0
PD1/DOUT
PD2/LOAD
PD3/DCK
RES
VSSA
RCH
LCH
VDDA
I/O
I/O
Internal
Connection
Pull-High
or None
Pull-High
or None
Pull-High
or None
Pull-High
or None
Pull-High
or None
¾
¾
CMOS
CMOS
¾
Function
Bidirectional 8-bit Input/Output port, wake-up by mask option
I/O
Bidirectional 8-bit Input/Output port
I/O
I/O
I/O
I
¾
O
O
¾
Bidirectional 8-bit Input/Output port DAC data out
Bidirectional 8-bit Input/Output port DAC word clock
Bidirectional 8-bit Input/Output port DAC bit clock
Reset input, active low
Negative power supply of DAC, ground
R channel audio output
L channel audio output
DAC power supply
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 1/4 system clock
(f
OSC2
=f
OSC
/8). The system clock may come from the crystal, the
two pins cannot be floating.
Negative power supply, ground
Positive power supply
35
34
OSC1
OSC2
I
O
¾
36, 37
38
VSS
VDD
¾
¾
¾
¾
Rev. 1.00
3
October 18, 2006
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
