參數(shù)資料
型號: PCF8533
廠商: NXP Semiconductors N.V.
英文描述: Universal LCD driver for low multiplex rates
中文描述: 通用LCD驅動器的低復用率
文件頁數(shù): 22/36頁
文件大?。?/td> 158K
代理商: PCF8533
1999 Jul 30
22
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex rates
PCF8533
Table 5
Definition of PCF8533 commands
Table 6
Mode set option 1
Table 7
Mode set option 2
Table 8
Mode set option 3
COMMAND
OPCODE
OPTIONS
DESCRIPTION
MODE SET
1
1
0
0
E
B
M1
M0
Table 6
Table 7
Table 8
defines LCD drive mode
defines LCD bias configuration
defines display status; the possibility to
disable the display allows implementation of
blinking under external control
seven bits of immediate data, bits P6 to P0,
are transferred to the data pointer to define
one of eighty display RAM addresses
three bits of immediate data, bits A0 to A3,
are transferred to the subaddress counter to
define one of eight hardware subaddresses
defines input bank selection (storage of
arriving display data)
defines output bank selection (retrieval of
LCD display data); the BANK SELECT
command has no effect in 1 : 3 and 1 : 4
multiplex drive modes
defines the blinking frequency
selects the blinking mode; normal operation
with frequency set by BF1, BF0 or blinking by
alternation of display RAM banks. Alternation
blinking does not apply in 1 : 3 and 1 : 4
multiplex drive modes
LOADDATA
POINTER
0
P6
P5
P4
P3
P2
P1
P0
Table 9
DEVICE
SELECT
1
1
1
0
0
A2
A1
A0
Table 10
BANK
SELECT
1
1
1
1
1
0
I
O
Table 11
Table 12
BLINK
1
1
1
1
0
A
BF
1
BF
0
Table 13
Table 14
LCD DRIVE MODE
BITS
DRIVE MODE
BACKPLANE
M1
M0
Static
1 : 2
1 : 3
1 : 4
1 BP
0
1
1
0
1
0
1
0
MUX (2 BP)
MUX (3 BP)
MUX (4 BP)
LCD BIAS
BIT B
1
3
bias
1
2
bias
0
1
DISPLAY STATUS
BIT E
Disabled (blank)
Enabled
0
1
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