pcf8534a NXP Semiconductors, pcf8534a Datasheet - Page 16

• Manufacturer Part Number: pcf8534a
• Description: Universal Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

Fig 11. Relationship between LCD layout, drive mode, display RAM storage order and display data transmitted over the I
x = data bit unchanged.
drive mode
multiplex
multiplex
multiplex
static
1:2
1:3
1:4
S
S
S
S
S
S
S
S
S
S
S
n+1
n+3
n+5
n+6
n+2
n+3
n+2
n+4
n+1
n+1
n+2
S
S
n
LCD segments
n
e
e
e
e
f
f
f
f
d
d
d
d
g
g
g
g
a
a
a
a
c
c
c
c
b
b
b
b
S
S
S
S
n
n+1
n+7
n
DP
DP
DP
DP
BP0
BP0
BP1
BP1
BP0
BP0
LCD backplanes
BP1
BP2
BP2
BP3
bit/
BP
bit/
BP
bit/
BP
bit/
BP
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
DP
DP
n
c
x
x
x
n
a
b
x
x
n
b
c
x
n
a
c
b
n 1
n 1
n 1
n 1
b
x
x
x
f
g
x
x
a
d
g
x
f
e
g
d
display RAM filling order
n 2
n 2
n 2
a
x
x
x
e
c
x
x
f
e
x
x
n 3
n 3
f
x
x
x
d
DP
x
x
n 4
g
x
x
x
n 5
e
x
x
x
n 6
d
x
x
x
n 7
DP
x
x
x
MSB
MSB
MSB
MSB
transmitted display byte
c b a f
a b f
b DP c a d g f
a c b DP f
2
C-bus
g e c d DP
g e d DP
e g d
mgl751
LSB
LSB
LSB
LSB
e