參數(shù)資料
型號: 933964620112
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅(qū)動(dòng)器
英文描述: LIQUID CRYSTAL DISPLAY DRIVER, PDSO56
封裝: PLASTIC, VSOP-56
文件頁數(shù): 13/46頁
文件大小: 287K
代理商: 933964620112
1998 Sep 08
20
Philips Semiconductors
Product specication
LCD row/column driver for dot matrix
graphic displays
PCF8578
Fig.13 (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
011110
0 A C
COMMAND
A
P
A
DISPLAY DATA
slave address
/
RW
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)
MSA832
S
A
0
S
011110
0 A C
COMMAND
A
slave address
/
RW
acknowledge by
all addressed
PCF8578s / PCF8579s
n
1 byte
(b)
A
DATA
S
A
0
S
011110
1 A
slave address
/
RW
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
MSA831
S
A
0
S
011110
1 A
DATA
A
P
1
DATA
slave address
/
RW
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
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