HT36A1 Holtek Semiconductor Inc., HT36A1 Datasheet - Page 3

• Manufacturer Part Number: HT36A1
• Description: Ht36a1 -- Music Synthesizer 8-bit Mcu
• Manufacturer: Holtek Semiconductor Inc.

Pad Coordinates
Pad Description
Absolute Maximum Ratings
Supply Voltage ..........................V
Input Voltage .............................V
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
Rev. 1.10
PA0~PA7
PB0~PB7
PC0~PC7
RCH, LCH
OSC1
OSC2
VDDA
VDD
VSSA
VSS
RES
Pad Name
Pad No.
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed
in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
I/O
I/O
I/O
I/O
O
O
I
I
Connection
Pull-High
Pull-High
Pull-High
Internal
or None
or None
or None
279.300
392.300
504.750
649.850
770.100
944.700
919.650
919.650
919.650
959.800
959.800
959.800
959.800
959.800
959.800
959.800
959.800
X
SS
SS
Bidirectional 8-bit Input/Output port, wake-up by mask option
Bidirectional 8-bit Input/Output port
Bidirectional 8-bit Input/Output port
Stereo audio output
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 operation, OSC2 is the output
terminal for 1/4 system clock (f
the crystal, the two pins cannot be floating.
DAC power supply
Positive power supply
Negative power supply of DAC, ground
Negative power supply, ground
Reset input, active low
0.3V to V
0
.
3V to V
1271.550
1060.950
1160.950
950.350
850.350
739.750
639.750
529.150
1352.350
1352.350
1352.450
1352.300
1346.400
1345.670
1014.076
1133.274
336.224
DD
SS
Y
+5.5V
+0.3V
3
Storage Temperature ........................... 50 C to 125 C
Operating Temperature .......................... 25 C to 70 C
Pad No.
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
OSC2
Function
=f
OSC
/8). The system clock may come from
959.450
959.450
959.450
959.450
959.450
959.450
959.450
959.450
157.150
257.150
367.750
467.750
578.350
678.350
788.950
46.550
X
March 12, 2007
1386.150
1386.150
1386.150
1386.150
1386.150
1386.150
1386.150
1386.150
169.100
269.100
379.700
479.700
590.300
152.100
58.500
41.500
HT36A1
Y
Unit: m