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PCF8548U/2 数据表(PDF) 16 Page - NXP Semiconductors

部件名 PCF8548U/2
功能描述  65 x 102 pixels matrix LCD driver
PDF  40 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

PCF8548U/2 数据表(HTML) 16 Page - NXP Semiconductors

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1999 Aug 16
16
Philips Semiconductors
Product specification
65
× 102 pixels matrix LCD driver
PCF8548
12 INSTRUCTIONS
The instruction format is divided into two modes:
1. If D/C is set LOW, commands can be sent to the chip.
2. If D/C is set HIGH, the DDRAM will be accessed.
Every instruction can be sent in any order to the PCF8548.
Table 1
Instruction set
INSTRUCTION
D/CR/W
COMMAND BYTE
DESCRIPTION
B7
B6
B5
B4
B3
B2
B1
B0
H=0or1
NOP
0000000000
no operation
Reserved
0000000001
do not use
Function set
00001
MX
MY
PD
V
H
Power-down control; entry
mode; extended instruction
set control (H)
Read status byte
0
1
PD
TRS
BRS
D
E
MX
MY
DO
read status byte
Write data
1
0
D7
D6
D5
D4
D3
D2
D1
D0
writes data to RAM
H=0
Reserved
000000001
X
do not use
Set VLCD range
000000010
PRS VLCD programming range
select
Display control
0000001
D
0
E
sets display configuration
Set HV-gen
stages
00000100
S1
S0
# of HV-gen voltage
multiplication
Set Y address of
RAM
000100
Y3
Y2
Y1
Y0
sets Y address of RAM:
0
≤ Y ≤ 8
Set X address of
RAM
001
X6
X5
X4
X3
X2
X1
X0
sets X address of RAM:
0
≤ X ≤ 101
H=1
Reserved
000000001
X
do not use
Temperature
control
00000001
TC1
TC0 set temperature coefficient
(TCx)
Display
configuration
0000001
DO
TRS
BRS top/bottom row mode set data
order
Bias system
0000010
BS2
BS1
BS0 set bias system (BSx)
Reserved
0001
X
X
X
X
X
X
do not use (reserved for test)
Set VOP
001
VOP6 VOP5 VOP4 VOP3 VOP2 VOP1 VOP0 write VOP to register



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