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HT36A3 8-Bit Music Synthesizer MCU
Features
* Operating voltage: 2.4V~5.0V * Operating frequency: 3.58MHz~12MHz (typ. 8MHz) * 20 bidirectional I/O lines * Two 8-bit programmable timer with 8 stage prescaler * Watchdog Timer * Built-in 8-bit MCU with 2088 bits RAM * Built-in 32K16-bit ROM for program/data shared * Mono output * High D/A converter resolution: 16 bits * Polyphonic up to 8 notes * Independent pan and volume mix can be assigned to * Sampling rate of 25kHz as 6.4MHz for system
frequency
* Eight-level subroutine nesting * HALT function and wake-up feature to reduce power
consumption
* Bit manipulation instructions * 16-bit table read instructions * 63 powerful instructions * All instructions in 1 or 2 machine cycles * 28-pin SOP, 48-pin SSOP package
each sound component
General Description
The HT36A3 is an 8-bit high performance RISC-like microcontroller specifically designed for music applications. It provides an 8-bit MCU and a 8 channel wavetable synthesizer. The program ROM is composed of both program control codes and wavetable voice codes, and can be easily programmed. The HT36A3 has a built-in 8-bit microprocessor which programs the synthesizer to generate the melody by setting the special register from 20H~2AH. A HALT feature is provided to reduce power consumption.
Block Diagram
PA0~PA7 PB0~PB7 PC 0~PC 3 OSC1 OSC2 RES 8 - B it MCU
3 2 K 1 6 - b it ROM
2088 RAM
VD VS VD VS S
D DA SA
M u ltip lie r /P h a s e G e n e ra l
1 6 - B it DAC
AUD
Rev. 1.00
1
June 30, 2003
HT36A3
Pin Assignment
PA4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 PA5 PA6 PA7 PB0 PB1 PB2 PB3 PB4 PB5 PA4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PA5 PA6 PA7 NC NC NC VSS VSSA VDD VDDA NC TEST AUD 28 27 26 25 24 23 22 21 20 19 18 17 16 15 PA3 PA2 PA1 PA0 NC NC OSC2 NC OSC1 NC RES NC NC NC PB6 PB7 NC NC VSS VSSA VDD VDDA NC NC NC NC NC NC 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 PA3 PA2 PA1 PA0 PC3 PC2 PC1 PC0 NC NC NC NC NC NC OSC2 OSC1 NC NC RES NC NC NC AUD TEST
H T36A 3 2 8 S O P -A
H T36A 3 4 8 S S O P -A
Pad Assignment
PC3 PC2 PC1 PC0 PB3
29 1 2 3 4
PB2
28
PB1
27
PB0
26
PA7
25
PA6
24
PA5
23
PA4
22
PA3
21
PA2
20
PB4 PB5 PB6 PB7
19
PA1
PA0
18
17
16
15
14
(0 , 0 )
13
OSC2
VSS
5
VSSA
6
VDD
7 8
VDDA
9
10
12 11
OSC1 RES
Chip size: 83 111 (mil)2 * The IC substrate should be connected to VSS in the PCB layout artwork. Rev. 1.00 2 June 30, 2003
TEST
AUD
HT36A3
Pad Coordinates
Pad No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 X -879.100 -879.100 -879.100 -879.100 -898.600 -898.600 -847.650 -847.650 -193.090 -81.290 875.950 875.950 875.950 901.500 793.900 Y 1202.400 1097.100 986.500 886.500 -805.050 -931.910 -1041.910 -1180.350 -1200.600 -1200.600 -1262.274 -1149.626 -471.774 1240.150 1240.150 Pad No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 X 693.900 583.300 483.300 372.700 272.700 162.100 62.100 -48.500 -148.500 -259.100 -359.100 -469.700 -569.700 -680.300 Y 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150 1240.150
Pad Description
Pad Name PA0~PA7 PB0~PB7 PC0~PC3 VSS VSSA VDD VDDA AUD TEST RES OSC1 OSC2 I/O I/O I/O I/O 3/4 3/4 3/4 3/4 O 3/4 I I O Internal Connection Pull-High or None Pull-High or None Pull-High or None 3/4 3/4 3/4 3/4 3/4 3/4 3/4 Function Bidirectional 8-bit Input/Output port Bidirectional 8-bit Input/Output port Bidirectional 8-bit Input/Output port Negative power supply, ground Negative power supply of DAC, ground Digital power supply DAC power supply Audio output No connection (open) Reset input, active low (no pull-high) 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 1/8 system clock. The system clock may come from the crystal, the two pins cannot be floating.
3/4
Rev. 1.00
3
June 30, 2003
HT36A3
Absolute Maximum Ratings
Supply Voltage .............................VSS-0.3V to VSS+6V Input Voltage .............................VSS-0.3V to VDD+0.3V Storage Temperature ...........................-50C to 125C Operating Temperature ..........................-25C to 70C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may 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.
D.C. Characteristics
Symbol VDD IDD ISTB IOH IOL VIH VIL Parameter Operating Voltage Operating Current Standby Current (WDT Disabled) I/O Ports Source Current I/O Ports Sink Current Input High Voltage for I/O Ports Input Low Voltage for I/O Ports Test Conditions VDD 3/4 Conditions 3/4 Min. 2.2 3/4 3/4 2 2 3/4 3/4 0.8VDD 0 Typ. 4.5 8 1 3 3 3/4 3/4 Max. 5.5 16 3 3/4 3/4 VDD 0.2VDD
Ta=25C Unit V mA mA mA mA V V
4.5V No load, fOSC=8MHz 4.5V No load, System HALT 4.5V VOH=4.5V 4.5V VOL=0.5V 4.5V 4.5V
Rev. 1.00
4
June 30, 2003
HT36A3
Application Circuit
V
DD
10W VDD VDDA 47mF 0 .1 m F
OSC1
PA0~PA7 PB0~PB7 PC 0~PC 3 V
DD
AUD V 100kW RES 0 .1 m F H T36A 3 VSSA VSS
DD
1kW 750W
SPK 8W
V
DD
10W VDD VDDA 47mF 0 .1 m F
OSC1 8M H z OSC2
PA0~PA7 PB0~PB7 V 47mF AUD 20kW 0 .1 m F 2 IN 8 VDD 1 VSS 4 5 CE 7 OUTP H T82V733 OUTN SPK 8W PC 0~PC 3
DD
V 100kW
DD
10mF RES
V re f 3
0 .1 m F H T36A 3
VSSA VSS
Rev. 1.00
5
June 30, 2003
HT36A3
Package Information
28-pin SOP (300mil) Outline Dimensions
28 A
15 B
1
14
C C' G H D E F
a
Symbol A B C C D E F G H a
Dimensions in mil Min. 394 290 14 697 92 3/4 4 32 4 0 Nom. 3/4 3/4 3/4 3/4 3/4 50 3/4 3/4 3/4 3/4 Max. 419 300 20 713 104 3/4 3/4 38 12 10
Rev. 1.00
6
June 30, 2003
HT36A3
48-pin SSOP (300mil) Outline Dimensions
48 A
25 B
1 C C'
24
G H a F
D E
Symbol A B C C D E F G H a
Dimensions in mil Min. 395 291 8 613 85 3/4 4 25 4 0 Nom. 3/4 3/4 3/4 3/4 3/4 25 3/4 3/4 3/4 3/4 Max. 420 299 12 637 99 3/4 10 35 12 8
Rev. 1.00
7
June 30, 2003
HT36A3
Product Tape and Reel Specifications
Reel Dimensions
T2 D
A
B
C
T1
SOP 28W (300mil) Symbol A B C D T1 T2 SSOP 48W Symbol A B C D T1 T2 Description Reel Outer Diameter Reel Inner Diameter Spindle Hole Diameter Key Slit Width Space Between Flange Reel Thickness Dimensions in mm 3301.0 1000.1 13.0+0.5 -0.2 2.00.5 32.2+0.3 -0.2 38.20.2 Description Reel Outer Diameter Reel Inner Diameter Spindle Hole Diameter Key Slit Width Space Between Flange Reel Thickness Dimensions in mm 3301.0 621.5 13.0+0.5 -0.2 2.00.5 24.8+0.3 -0.2 30.20.2
Rev. 1.00
8
June 30, 2003
HT36A3
Carrier Tape Dimensions
D
E F
P0
P1
t
W C
B0
D1
P
K0 A0
SOP 28W (300mil) Symbol W P E F D D1 P0 P1 A0 B0 K0 t C Description Carrier Tape Width Cavity Pitch Perforation Position Cavity to Perforation (Width Direction) Perforation Diameter Cavity Hole Diameter Perforation Pitch Cavity to Perforation (Length Direction) Cavity Length Cavity Width Cavity Depth Carrier Tape Thickness Cover Tape Width Dimensions in mm 24.00.3 12.00.1 1.750.1 11.50.1 1.5+0.1 1.5+0.25 4.00.1 2.00.1 10.850.1 18.340.1 2.970.1 0.350.01 21.3
Rev. 1.00
9
June 30, 2003
HT36A3
D
E F W C B0
P0
P1
t
D1
P K2 A0
K1
SSOP 48W Symbol W P E F D D1 P0 P1 A0 B0 K1 K2 t C Description Carrier Tape Width Cavity Pitch Perforation Position Cavity to Perforation (Width Direction) Perforation Diameter Cavity Hole Diameter Perforation Pitch Cavity to Perforation (Length Direction) Cavity Length Cavity Width Cavity Depth Cavity Depth Carrier Tape Thickness Cover Tape Width Dimensions in mm 32.00.3 16.00.1 1.750.1 14.20.1 2.0 Min. 1.5+0.25 4.00.1 2.00.1 12.00.1 16.200.1 2.40.1 3.20.1 0.350.05 25.5
Rev. 1.00
10
June 30, 2003
HT36A3
Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shanghai Sales Office) 7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China 200233 Tel: 021-6485-5560 Fax: 021-6485-0313 http://www.holtek.com.cn Holtek Semiconductor Inc. (Shenzhen Sales Office) 43F, SEG Plaza, Shen Nan Zhong Road, Shenzhen, China 518031 Tel: 0755-8346-5589 Fax: 0755-8346-5590 ISDN: 0755-8346-5591 Holtek Semiconductor Inc. (Beijing Sales Office) Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031 Tel: 010-6641-0030, 6641-7751, 6641-7752 Fax: 010-6641-0125 Holmate Semiconductor, Inc. (North America Sales Office) 46712 Fremont Blvd., Fremont, CA 94538 Tel: 510-252-9880 Fax: 510-252-9885 http://www.holmate.com Copyright O 2003 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. Holteks products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw.
Rev. 1.00
11
June 30, 2003

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