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參數(shù)資料
| 型號： | PCF2104N |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | LCD controller/driver |
| 中文描述： | LCD控制器/驅(qū)動器 |
| 文件頁數(shù)： | 5/56頁 |
| 文件大?。?/td> | 366K |
| 代理商： | PCF2104N |
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1997 Dec 16
5
Philips Semiconductors
Product specification
LCD controller/driver
PCF2104x
6
PINNING
SYMBOL
FFC PAD
TYPE
DESCRIPTION
OSC
V
DD
SA0
V
SS
R8 to R5
R32 to R29
R24 to R17
C60 to C1
R9 to R16
R25 to R28
R1 to R4
SCL
E
RS
R/W
T1
DB7 to DB0
SDA
V
LCD
1
2
3
4
I
oscillator/external clock input
logic supply voltage
I
2
C-bus address pin input
ground
LCD row driver outputs
LCD row driver outputs
LCD row driver outputs
LCD column driver outputs
LCD row driver outputs
LCD row driver outputs
LCD row driver outputs
I
2
C-bus serial clock input
data bus clock input
register select input
read/write input
test pad input
8-bit bidirectional data bus input/output
I
2
C-bus serial data input/output
LCD supply voltage input
P
I
P
O
O
O
O
O
O
O
I
I
I
I
I
I/O
I/O
I
5 to 8
9 to12
13 to 20
21 to 80
81 to 88
89 to 92
93 to 96
97
98
99
100
101
102 to 109
110
111
7
PIN FUNCTIONS
7.1
RS: register select (parallel control)
RS selects the register to be accessed for read and write
when the device is controlled by the parallel interface.
RS = logic 0 selects the instruction register for write and
the Busy Flag and Address Counter for read. RS = logic 1
selects the data register for both read and write. There is
an internal pull-up on pin RS.
7.2
R/W: read/write (parallel control)
R/W selects either the read (R/W = logic 1) or write
(R/W = logic 0) operation when control is by the parallel
interface. There is an internal pull-up on this pin.
7.3
E: data bus clock (parallel control)
The E pin is set HIGH to signal the start of a read or write
operation when the device is controlled by the parallel
interface. Data is clocked in or out of the chip on the
negative edge of the clock. Note that this pin must be tied
to logic 0 (V
SS
) when I
2
C-bus control is used.
7.4
DB0 to DB7: data bus (parallel control)
The bidirectional, 3-state data bus transfers data between
the system controller and the PCF2104x. DB7 may be
used as the Busy Flag, signalling that internal operations
are not yet completed. In 4-bit operations the 4 higher
order lines DB4 to DB7 are used; DB0 to DB3 must be left
open circuit. There is an internal pull-up on each of the
data lines. Note that these pins must be left open circuit
when I
2
C-bus control is used.
7.5
C1 to C60: column driver outputs
These pins output the data for pairs of columns.
This arrangement permits optimized chip-on-glass (COG)
layout for 4-line by 12 characters.
7.6
R1 to R32: row driver outputs
These pins output the row select waveforms to the left and
right halves of the display.
7.7
V
LCD
: LCD power supply
Negative power supply for the liquid crystal display.
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相關(guān)代理商/技術(shù)參數(shù) |
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| PCF2104NU | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controller/driver |
| PCF2104NU/2 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LCD controller/driver |
| PCF2104NU/7 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LCD controller/driver |
| PCF2104X | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LCD controller/driver |
| PCF2105 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controller/driver |
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