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MTU429B Datasheet

  • MTU429B

  • 4-Bit Micro-Controller with LCD Dr

  • 20頁

  • ETC

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MYSON
TECHNOLOGY
FEATURES
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Low power and low voltage operation.
Powerful instruction set (150 instructions).
Memory capacity.
- Instruction ROM capacity 4096 x 16 bits.
- Index ROM capacity
256 x 8 bits.
- Internal RAM capacity
384 or 256 x 4 bits.
Input/Output ports of up to 20 pins.
8-level subroutine nesting.
Built-in LCD driver, 8 x 42 = 336 segments.
Built-in EL driver, frequency or melody generator.
Built-in Resistance-to-Frequency Converter.
Built-in 2-channel 6/8-bit PWM output.
Built-in key strobe function.(Shared with segment
pin)
Built-in voltage doubler, halver, tripler quadrupler
charge pump circuit.
Two 6-bit programmable timers with programma-
ble clock source.
Watchdog timer.
4 external & 3 internal interrupt resources.
- External: INT, RFC, IOA/IOC/S port, keystrobe.
- Internal: TM1, TM2, Predivider.
Dual clock operation.
HALT and STOP function.
MTU429B
(Preliminary)
GENERAL DESCRIPTION
The MTU429B is an embedded high performance
4-bit microcomputer with an on-chip LCD driver. It
contains all the necessary functions in a single chip:
4-bit parallel processing ALU, ROM, RAM, I/O ports,
timer, clock generator, dual clock, RFC, EL-light,
LCD driver, look-up table, watchdog timer and key-
board scanning. The instruction set includes not only
4-bit operation and manipulation instructions but also
various conditional branch instructions and LCD
driver data transfer instructions which are powerful
and easy to use.
The Halt function stops any internal operations
other than the oscillator, divider and LCD driver in
order to minimize the power dissipation.
The Stop function stops all the clocks in the chip.
4-Bit Micro-Controller with LCD Driver
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BLOCK DIAGRAM
SEG35~SEG38 SEG31~SEG34 SEG39~SEG42 SEG27~SEG30 COM1~8
...
IOA PORT
/RFC
IOB PORT
/EL, BZ
IOC PORT
/KEY IN
IOD PORT
/PWM
SEG1~SEG26
...................
LCD DRIVER
SEGMENT PLA
VDD1~4
FREQUENCY
GENERATOR
TABLE ROM
256 X 8
INDEX SRAM
256 X 4
ALU
SRAM
128 X 4
CUP1
CUP2
CUP3
PREDIVIDER
2 X 6 BITS
PRESET TIMER
8-LEVEL STACK
INSTRUCTION
DECODER
WATCHDOG
TIMER
OSCILLATOR
CONTROL
CIRCUIT
12-BIT
PROGRAM
COUNTER
MASK ROM
4096 X 16
XTIN CFIN
XTOUT CFOUT
PRESET INT
S1~S4
This datasheet contains new product information. Myson Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this procuts. No rights under any patent accompany the sales of the product.
1/20
MTU429B Revision 3.0
28/Oct/1999

MTU429B相關型號PDF文件下載

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  • 英文版
    4-Bit Micro-Controller with LCD Driver, 2K Word
    ETC
  • 英文版
    4-Bit Micro-Controller with LCD Dr
    ETC
  • 英文版
    4-Bit Micro-Controller with LCD Dr
    ETC [ETC]

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