參數(shù)資料
型號(hào): 935200540557
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅(qū)動(dòng)器
英文描述: LIQUID CRYSTAL DISPLAY DRIVER, PQFP64
封裝: PLASTIC, LQFP-64
文件頁(yè)數(shù): 34/46頁(yè)
文件大小: 287K
代理商: 935200540557
1998 Sep 08
4
Philips Semiconductors
Product specication
LCD row/column driver for dot matrix
graphic displays
PCF8578
5
BLOCK DIAGRAM
Fig.1 Block diagram.
(1) Operates at LCD voltage levels, all other blocks operate at logic levels.
The pin numbers given in parenthesis refer to the LQFP64 package.
VSS
C39 - C32
R31/C31 - R8/C8
R7 - R0
17 - 56
(29 to 35, 37, 38 to 46
48 to 62, 63, 64, 1 to 6)
MSA842
VDD
PCF8578
V
LCD
V2
V3
V4
V5
9 (20)
10 (21)
11 (22)
12 (23)
13 (24)
14 (25)
6 (12)
OUTPUT
CONTROLLER
ROW/COLUMN
DRIVERS
(1)
DISPLAY
MODE
CONTROLLER
Y DECODER
AND SENSING
AMPLIFIERS
32 x 40-BIT
DISPLAY RAM
X DECODER
DISPLAY
DECODER
RAM DATA POINTER
SUBADDRESS
COUNTER
TIMING
GENERATOR
I C-BUS
CONTROLLER
2
INPUT
FILTERS
COMMAND
DECODER
POWER-ON
RESET
OSCILLATOR
TEST
2 (8)
1 (7)
SCL
SDA
n.c.
SA0
15, 16
(14, 15, 17 to 19
26 to 28 36, 47)
7 (13)
(16) 8
(11) 5
(10) 4
(9) 3
R
OSC
CLK
SYNC
YX
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