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PCF8801U 데이터시트 PDF




NXP Semiconductors에서 제조한 전자 부품 PCF8801U은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 PCF8801U 자료 제공

부품번호 PCF8801U 기능
기능 LCD driver for 140 x 2 segments
제조업체 NXP Semiconductors
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PCF8801U 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



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PCF8801U 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
DATA SHEET
PCF8801
LCD driver for 140 × 2 segments
Product specification
File under Integrated Circuits, IC12
2000 Feb 04




PCF8801U pdf, 반도체, 판매, 대치품
Philips Semiconductors
LCD driver for 140 × 2 segments
Product specification
PCF8801
PINNING
SYMBOL
PAD
SIMPLIFIED
SYMBOL(1)
DESCRIPTION
VDD1 to VDD4
28, 27, 3, 4 VDD
Power supply for output drivers, backplane drivers and LCD
bias generator; 4 pads connected internally
VSS1 to VSS4
30, 29, 1, 2 VSS
Ground for output drivers, backplane drivers and LCD bias
generator; 4 pads connected internally
VDD5
VSS5
REXT
16 VDD
15 VSS
10
Power supply for remaining circuitry; connect externally to
VDD1 to VDD4
Ground for remaining circuitry; connect externally to
VSS1 to VSS4
Enable internal oscillator input; connected via an external
resistor
RESET
14
Reset input; active HIGH
T1 to T3
13, 17, 18
Test pads; must remain unconnected
COM1_1, COM1_2
31, 173 COM1
First pair of identical 3-level LCD backplane outputs; each
pad is located on opposite sides of the die
COM2_1, COM2_2
32, 174 COM2
Second pair of identical 3-level LCD backplane outputs;
each pad is located on opposite sides of the die
DIR 19
Data direction control input; its voltage level determines the
direction in which data is shifted
S1 to S140
33 to 172
LCD driver outputs
DI1, DI2
24, 7
DI
Data input; the status of DIR determines which pad is valid;
each pad is located on opposite sides of the die
DO1, DO2
23, 8
DO
Data outputs; both identical; both always valid; for cascade
use; each pad is located on opposite sides of the die
LDP1, LDP2
26, 5
LDPI, LDPO
Data load control input (LDPI) and output (LDPO) on rising
edge; the status of DIR determines which pad is valid; each
pad is located on opposite sides of the die
LDN1, LDN2
25, 6
LDNI, LDNO Data load control input (LDNI) and output (LDNO) on falling
edge; the status of DIR determines which pad is valid; each
pad is located on opposite sides of the die
CLK1, CLK2
22, 9
CLKI, CLKO
Data shift clock input (CLKI) and output (CLKO); the status
of DIR determines which pad is valid; for cascade use; each
pad is located on opposite sides of the die
OSC1, OSC2
21, 11
OSCI, OSCO LCD multiplexing clock input (OSCI) and output (OSCO);
the status of DIR determines which pad is valid; each pad is
located on opposite sides of the die
INT_OSCO1, INT_OSCO2 20, 12
INT_OSCO Internal oscillator outputs; both identical; each pad is
located on opposite sides of the die
Note
1. These symbols simplify descriptions in this data sheet where several pads have the same function and also indicate
the direction of data on pads which can be selected to be either an input or an output.
2000 Feb 04
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PCF8801U 전자부품, 판매, 대치품
Philips Semiconductors
LCD driver for 140 × 2 segments
Product specification
PCF8801
Table 4 Routing of data to LCD pixels
(First 20 bits, DIR = 0).
SHIFT REGISTER DATA OUTPUT
SH1_1
SH1_2
SH2_1
SH2_2
SH3_1
SH3_2
SH4_1
SH4_2
SH5_1
SH5_2
SH6_1
SH6_2
SH7_1
SH7_2
SH8_1
SH8_2
SH9_1
SH9_2
SH10_1
SH10_2
SH11_1
SH11_2
LCD PIXEL
7
5
3
1
9
6
4
2
11
10
8
SHIFT REGISTER DATA OUTPUT
SH12_1
SH12_2
SH13_1
SH13_2
SH14_1
SH14_2
SH15_1
SH15_2
SH16_1
SH16_2
SH17_1
SH17_2
SH18_1
SH18_2
SH19_1
SH19_2
SH20_1
SH20_2
LCD PIXEL
12
13
14
17
19
15
16
18
20
The PCF8801 supports a 5 × 8 LCD character structure as
shown in Fig.3. Because the bottom line of pixels are not
often used in most applications, their data could be used
instead to control LCD icons.
handbook, full pagewidth
2000 Feb 04
top of LCD
1 2 12 19 20
1 2 12 19 20
3 4 8 17 18
3 4 8 17 18
5 6 10 14 16
5 6 10 14 16
7 9 11 13 15
7 9 11 13 15
pixel locations
top of LCD
1 2 12 19
3 4 8 17
6 10 14 16
6 10 14 16
7 9 11 13 15
pixels used to display digit 2
MGL917
Fig.3 LCD character pixel locations (looking from front).
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PCF8801

LCD driver for 140 x 2 segments

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PCF8801U

LCD driver for 140 x 2 segments

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