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參數(shù)資料
| 型號： | TM8706 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | The TM8706 is an embedded high-performance 4-bit microcomputer with LCD LED driver |
| 中文描述： | 在TM8706是一個嵌入式高性能的4位帶LCD LED驅(qū)動器微機 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 108K |
| 代理商： | TM8706 |
TM8706
tenx technology, inc.
Rev 2.4
03/12/01
6
Name
I/O
P
Description
BAK
Positive Back-up voltage.
At Li power mode, connect a 0.1u capacitor to GND.
LCD supply voltage, and positive supply voltage.
.In Ag Mode, connect positive power to VDD1.
.In Li or ExtV power mode, connect positive power to VDD2.
Input pin for external reset request signal, built-in internal pull-down resistor.
Input pin for external INT request signal.
. Falling edge or rising edge triggered is defined by mask option.
. 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, 2,3,4 pins.
. Connect the CUP0, CUP1 and CUP2 pins with non-polarized electrolytic capacitors
when chip operated in 1/2, 1/3 or 1/4 bias mode.
. In no BIAS mode application, leave these pins opened.
Time base counter frequency (clock specified. LCD alternating frequency. Alarm signal
frequency) or system clock oscillation.
. The usage of 32KHz Crystal oscillator or external RC oscillator is defined by mask
option.
System clock oscillation for FAST clock only or DUAL clock operation.
. The usage of 3.58MHz ceramic/resonator oscillator or external R type oscillator is
defined by mask option
Output pins for driving the common pins of the LCD panel.
COM5~9 could be defined as COMS or Open Drain type output.
Output pins for driving the LCD panel segment.
I/O
Input / Output port A, (muxed with SEG24~27)
I/O
Input / Output port B, (muxed with SEG28~31)
I/O
Input / Output port C, (muxed with SEG32~35)
I/O
Input / Output port D, (muxed with SEG36~39)
I
O
O
Output port for El panel driver. (muxed with SEG28~29)
O
Output port for alarm, clock or single tone melody generator. (muxed with SEG30~31)
O
Output port for key matrix scanning.(Shared with SEG1~SEG16)
I
Input port for key matrix scanning.(Muxed with SEG32~SEG35)
P
Negative supply voltage.
VDD1,2,3,4
P
RESET
INT
I
I
TEST
CUP0,1,2
O
XIN
XOUT
I
O
CFIN
CFOUT
I
O
COM1~9
O
SEG1-41
IOA1-4
IOB1-4
IOC1-4
IOD1~4
CX
RR/RT/RH
ELC/ELP
BZB/BZ
K1~K16
KI1~4
GND
ABSOLOUTE MAXIMUM RATINGS
O
1 input pin and 3 output pins for RFC application. (muxed with SEG24~27)
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