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HT36A0 Datasheet

  • HT36A0

  • 8-Bit Music Synthesizer MCU

  • 23頁(yè)

  • HOLTEK

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HT36A0
8-Bit Music Synthesizer MCU
Features
路
Operating voltage: 3.6V~5.0V
路
Operating frequency: 3.58MHz~12MHz
路
Polyphonic up to 16 notes
路
Independent pan and volume mix can be assigned to
(typ. 11.059MHz)
路
28 bidirectional I/O lines
路
Two 16-bit programmable timer/event counters with
each sound component
路
Sampling rate of 44.1kHz as 11.059MHz for system
frequency
路
Eight-level subroutine nesting
路
HALT function and wake-up feature to reduce power
overflow interrupts
路
Watchdog Timer
路
Built-in 8-bit MCU with 208麓8 bits RAM
路
Built-in 64K麓16-bit ROM for program/data shared
路
Digital output pins for external DAC
路
Single data format with 16 bits digital stereo audio
consumption
路
Bit manipulation instructions
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16-bit table read instructions
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63 powerful instructions
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All instructions in 1 or 2 machine cycles
路
48-pin SSOP package
output
路
Two High D/A converter resolution: 16 bits
General Description
The HT36A0 is an 8-bit high performance RISC-like
microcontroller specifically designed for music applica-
tions. It provides an 8-bit MCU and a 16 channel
wavetable synthesizer. The program ROM is composed
of both program control codes and wavetable voice
codes, and can be easily programmed.
The HT36A0 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 fea-
ture is provided to reduce power consumption.
Block Diagram
V D
V S
V D
V S
S
1 6 - B it
D A C
1 6 - B it
D A C
D
D A
S A
P A
P B
P C
P D
0 ~
0 ~
0 ~
0 ~
P A
P B
P C
P D
3
7
7
7
P F 0 ~ 2
6 4 K
麓
1 6 - b it
R O M
2 0 8
麓
8
R A M
M u ltip lie r /P h a s e
G e n e ra l
O S C 1
O S C 2
R E S
8 - B it
M C U
R C H
L C H
P D 2 /L O A D
P D 3 /D C L K
P D 1 /D O U T
Rev. 1.20
1
June 18, 2003

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