参数资料
型号: PCF8579U7
厂商: NXP SEMICONDUCTORS
元件分类: 显示驱动器
英文描述: LCD column driver for dot matrix graphic displays
中文描述: LIQUID CRYSTAL DISPLAY DRIVER, UUC55
封装: DIE-56
文件页数: 19/40页
文件大小: 287K
代理商: PCF8579U7
1997 Apr 01
19
Philips Semiconductors
Product specification
LCD column driver for dot matrix graphic
displays
PCF8579
Table 3
Definition of PCF8578/PCF8579 commands
COMMAND
OPCODE
OPTIONS
DESCRIPTION
SET MODE
C
1
0
T
E1
E0
M1 M0 see Table 4
see Table 5
see Table 6
B1
B0
see Table 7
defines LCD drive mode
defines display status
defines system type
defines pointer to RAM bank
corresponding to the top of the LCD;
useful for scrolling, pseudo motion and
background preparation of new display
four bits of immediate data, bits
A0 to A3, are transferred to the
subaddress counter to define one of
sixteen hardware subaddresses
defines the auto-increment behaviour of
the address for RAM access
see Table 10 two bits of immediate data, bits Y0 to Y1,
are transferred to the X-address pointer
to define one of forty display RAM
columns
see Table 11
six bits of immediate data, bits X0 to X5,
are transferred to the X-address pointer
to define one of forty display RAM
columns
SET START BANK
C
1
1
1
1
1
DEVICE SELECT
C
1
1
0
A3
A2
A1
A0
see Table 8
RAM ACCESS
C
1
1
1
G1 G0 Y1
Y0
see Table 9
LOAD X-ADDRESS
C
0
X5
X4
X3
X2
X1
X0
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