HT1130 Datasheet PDF - Holtek Semiconductor
Part Number | HT1130 | |
Description | 4-bit Microcontroller | |
Manufacturers | Holtek Semiconductor | |
Logo | ||
There is a preview and HT1130 download ( pdf file ) link at the bottom of this page. Total 30 Pages |
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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
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HT1130
Pad Description
Pad No. Pad Name I/O Mask Option
Function
1, 2 BZ, BZ
3 VLCD
4 T256
22 T1D
9 TEST1
10 TEST2
O Note 1 Sound effect outputs
I ¾ (+) LCD bias power supply
O For test mode only
O
I
¾ TEST1 and TEST2 are left open when the HT1130
is in normal operation (with an internal pull high
I resistor).
5~8
11~14
15~18
19
20
21
23~26
27~30
31
32
33
34~65
66
COM3~COM0 O
Note 2 Output for LCD panel common plate
PM3~PM0
I
Pull-high or 4-bit port for input only
None. Note 3
PS3~PS0
I
Pull-high or
None. Note 3
4-bit port for input only
VSS
I ¾ Negative power supply, GND
OSCI
OSCO
I
O
¾
OSCI,OSCO are connected to an external resistor
for an internal system clock
PA3~PA0
CMOS or
O NMOS Open 4-bit latch port for output only
drain
PP0~PP3
I
Pull-high or
None. Note 3
4-bit port for input only
INT
I
¾
External interrupt input with pull high resistor
Active on edge-triggered high to low transition
RES
I
¾
Input to reset an internal LSI
Reset is active on logical low level
TMCLK
I
Pull-high or
None. Note 4
Input for TIMER clock
TIMER can be clocked by an external clock or an
internal frequency source.
SEG0~SEG31 O
¾ LCD driver outputs for LCD panel segment
VDD
I ¾ Positive power supply
*Notes: 1. The system clock provides six different sources selectable by mask option to drive the
sound effect clock. If the Holtek sound library is used, only 128K and 64K are acceptable.
2. Either (1/4 duty;1/3 bias) or (1/3 duty:1/3 bias) should be specified by mask option.
3. Each bit of ports PM, PS and PP can be a trigger source of the HALT interrupt, selectable
by mask option.
4. 13 internal clock sources can be selectable by mask option to drive TMCLK. Note that
TMCLK should not be connected to a pull high resistor if an internal source is used.
5 May 24, 1999
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HT1130 electronic component. |
Information | Total 30 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ HT1130.PDF Datasheet ] |
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