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參數(shù)資料
| 型號： | TM8704 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機(jī)的小型通用紅外遙控器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 75K |
| 代理商： | TM8704 |
TM8704
PIN DESCRIPTION
Name
VDD1,2,3
RESET
INT
tenx technology, inc.
Ver1.0 03/12/01
5
I/O
P
I
I
Description
LCD supply voltage, and positive supply voltage.
Input pin for external reset request signal, built-in internal pull-down resistor.
Input pin for external interrupt request signal.
. Internal pull-down or pull-up resistor is defined by mask option.
Test signal input pin.
Switching pins for supply the LCD driving voltage to the VDD1,2,3 pins.
. Connect the CUP1 and CUP2 pins with non-polarized electrolytic capacitor when chip
operated in 1/2 or 1/3 bias mode.
. In no BIAS mode, leave these pins opened.
Time base counter frequency (clock specified. LCD alternating frequency. Alarm signal
frequency) or system clock oscillation.
. 32KHz Crystal oscillator or External RC for SLOW ONLY or DUAL by mask option.
. In FAST ONLY mode option, connect an external resistor could compose a RC
oscillator.
Output pins for driving the common pins of the LCD panel.
Output pins for driving the LCD panel segment.
TEST
CUP1,2
O
XIN
XOUT
I
O
COM1~5
SEG1-12,24-
35
IOA1-4
IOB1-4
IOC1-4
BZB/BZ
GND
O
O
I/O
I/O
I/O
O
P
Input / Output port A.(muxed with SEG24~27)
Input / Output port B.(muxed with SEG28~30)
Input / Output port C. (muxed with SEG32~35)
Output port for alarm generator
Negative supply voltage.
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| TM8705 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High-Performance 4-Bit Microcomputer with LCD/LED Driver. |
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