參數(shù)資料
型號(hào)： HT49C30-1
廠商： Holtek Semiconductor Inc.
英文描述： 8-Bit LCD Type MCU
中文描述： 8位LCD型微控制器
文件頁(yè)數(shù)： 4/43頁(yè)
文件大?。?/td> 353K
代理商： HT49C30-1
HT49C30L
* The IC substrate should be connected to VSS in the PCB layout artwork.
Pad Description
Pad Name
I/O
Options
Description
PA0/BZ
PA1/BZ
PA2
PA3/PFD
PA4~PA7
I/O
Wake-up
Pull-high
or None
CMOS or
NMOS
PA0~PA7 constitute an 8-bit bidirectional input/output port with Schmitt trig-
ger input capability. Each bit on port can be configured as a wake-up input by
options. PA0~PA3 can be configured as a CMOS output or NMOS input/out-
put with or without pull-high resistor by options. PA4~PA7 are always
pull-high NMOS input/output. Of the eight bits, PA0~PA1 can be set as I/O
pins or buzzer outputs by options. PA3 can be set as an I/O pin or as a PFD
output also by options.
PB0/INT0
PB1/INT1
PB2/TMR
PB3~PB5
I
PB0~PB5 constitute a 6-bit Schmitt trigger input port. Each bit on port are
withpull-highresistor.Ofthesixbits,PB0andPB1canbesetasinputpinsor
as external interrupt control pins (INT0) and (INT1) respectively, by software
application. PB2 can be set as an input pin or as a timer/event counter input
pin TMR also by software application.
VSS
Negative power supply, ground
VLCD
I
LCD power supply for HT49R30A-1/HT49C30-1.
Voltage pump for HT49C30L.
V2
I
Voltage pump for HT49R30A-1/HT49C30-1.
LCD power supply for HT49C30L.
V1,C1,C2
I
Voltage pump
SEG18/COM3
COM2~COM0
O
1/2 or 1/3 or 1/4
Duty
SEG18 can be set as a segment or as a common output driver for LCD panel
by options. COM2~COM0 are outputs for LCD panel plate.
SEG17~SEG0
O
LCD driver outputs for LCD panel segments
HT49R30A-1/HT49C30-1/HT49C30L
Rev. 1.10
4
September 25, 2002
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相關(guān)PDF資料
PDF描述
HT49C50 8-BIT MICROCONTROLLER
HT49R50A 8-Bit High Performance High speed Microcontroller(8位、高性能、高速微控制器)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT49C30-1_12 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:LCD Type 8-Bit MCU
HT49C30L 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:8-Bit LCD Type MCU
HT49C30L(48SSOP) 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microcontroller
HT49C30L_12 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:LCD Type 8-Bit MCU
HT49C50 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:8-Bit Microcontroller
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