參數(shù)資料
型號(hào): 933964620118
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): 15/46頁
文件大?。?/td> 287K
代理商: 933964620118
1998 Sep 08
22
Philips Semiconductors
Product specication
LCD row/column driver for dot matrix
graphic displays
PCF8578
Table 6
Denition of PCF8578/PCF8579 commands
COMMAND
OPCODE
OPTIONS
DESCRIPTION
SET MODE
C
1
0
T
E1
E0 M1 M0 see Table 7
denes LCD drive mode
see Table 8
denes display status
see Table 9
denes system type
SET START BANK
C
1
B1
B0 see Table 10
denes pointer to RAM bank
corresponding to the top of the LCD;
useful for scrolling, pseudo-motion and
background preparation of new display
DEVICE SELECT
C
1
0
A3
A2
A1
A0 see Table 11
four bits of immediate data, bits
A0 to A3, are transferred to the
subaddress counter to dene one of
sixteen hardware subaddresses
RAM ACCESS
C
1
G1 G0 Y1
Y0 see Table 12
denes the auto-increment behaviour of
the address for RAM access
see Table 13
two bits of immediate data, bits Y0 to
Y1, are transferred to the X-address
pointer to dene one of forty display
RAM columns
LOAD X-ADDRESS
C
0
X5
X4
X3
X2
X1
X0 see Table 14
six bits of immediate data, bits
X0 to X5, are transferred to the
X-address pointer to dene one of forty
display RAM columns
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