4-bit Microcontroller. HT1130 Datasheet

HT1130 Microcontroller. Datasheet pdf. Equivalent


Part HT1130
Description 4-bit Microcontroller
Feature HT1130 4-bit Microcontroller Features · Operating voltage: 2.4V~3.3V · 12 input lines · Four output.
Manufacture Holtek Semiconductor
Datasheet
Download HT1130 Datasheet


HT1130 4-bit Microcontroller Features · Operating voltage: HT1130 Datasheet
Recommendation Recommendation Datasheet HT1130 Datasheet




HT1130
HT1130
4-bit Microcontroller
Features
· Operating voltage: 2.4V~3.3V
· 12 input lines
· Four output lines
· Five working registers
· Sound effect circuit
· 4K ´ 8 program ROM
· 128 ´ 4 bits data memory RAM size
· 32 ´ 4 segment LCD driver
· RC oscillator for system clock
· Halt feature reduces power consumption
General Description
The HT1130 is a processor from Holtek s 4-bit
stand alone single chip microcontroller range
specifically designed for LCD product applica-
tions. The device is ideally suited for multiple
· Internal timer overflow interrupt
· External interrupt
· One level subroutine nesting
· 8-bit timer with internal or external clock
source
· 8-bit table read instruction
· Up to 4ms instruction cycle with 1MHz sys-
tem clock at VDD=3V
· All instructions in 1 or 2 machine cycles
LCD low power applications among which are
calculators, scales and hand-held LCD products.
1 May 24, 1999



HT1130
Block Diagram
O SCI
O SCO
IN T
RES
TEST1
TEST2
T1D
T256
V LC D
VDD
VSS
C o n tro l
and
T im in g
C ir c u it
S ta c k
PC
A LU
ACC
ROM
In s tr u c tio n
D ecoder
R0
R1
R2
R3
R4
T e m p o ra ry
D a ta R A M
D is p la y D a ta R A M
L C D D r iv e r
HT1130
T im e r
PA
PP
PS
PM
S ound
E ffe c t
TM C LK
PA0
PA1
PA2
PA3
PP0
PP1
PP2
PP3
PS0
PS1
PS2
PS3
PM 0
PM 1
PM 2
PM 3
BZ
BZ
Notes: ACC: Accumulator
PC: Program counter
R0~R4: Working registers
PA: Output port
PS,PM,PP: Input ports
2 May 24, 1999







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