參數(shù)資料
型號(hào)： PCF8579U7
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 顯示驅(qū)動(dòng)器
英文描述： LCD column driver for dot matrix graphic displays
中文描述： LIQUID CRYSTAL DISPLAY DRIVER, UUC55
封裝： DIE-56
文件頁(yè)數(shù)： 17/40頁(yè)
文件大?。?/td> 287K
代理商： PCF8579U7
1997 Apr 01
17
Philips Semiconductors
Product specification
LCD column driver for dot matrix graphic
displays
PCF8579
Fig.11 (a) Master transmits to slave receiver (WRITE mode); (b) Master reads after sending command string
(WRITE commands; READ data); (c) Master reads slave immediately after sending slave address (READ
mode).
MSA830
S
A
0
S
0 1 1 1 1 0
0 A C
COMMAND
A
P
A
DISPLAY DATA
slave address
/
R W
acknowledge by
all addressed
PCF8578s / PCF8579s
acknowledge
by A0, A1, A2 and A3
selected PCF8578s /
PCF8579s only
n 0 byte(s)
n 0 byte(s)
1 byte
update data pointers
and if necessary,
subaddress counter
(a)
MSA831
S
A
0
S
0 1 1 1 1 0
1 A
DATA
A
P
1
DATA
slave address
/
R W
acknowledge by
all addressed
PCF8578s / PCF8579s
last byte
n bytes
update data pointers
and if necessary,
subaddress counter
(c)
acknowledge
from master
no acknowledge
from master
MSA832
S
A
0
S
0 1 1 1 1 0
0 A C
COMMAND
A
slave address
/
R W
acknowledge by
all addressed
PCF8578s / PCF8579s
n 1 byte
(b)
A
DATA
S
A
0
S
0 1 1 1 1 0
1 A
slave address
/
R W
P
1
DATA
n bytes
last byte
update data pointers
and if necessary
subaddress counter
acknowledge
from master
no acknowledge
from master
at this moment master
transmitter becomes a
master receiver and
PCF8578/PCF8579 slave
receiver becomes a
slave transmitter
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