pca85232 NXP Semiconductors, pca85232 Datasheet - Page 19
pca85232
Manufacturer Part Number
pca85232
Description
Pca85232 Lcd Driver For Low Multiplex Rates
Manufacturer
NXP Semiconductors
Datasheet
1.PCA85232.pdf
(54 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Fig 12. Relationships between LCD layout, drive mode, display RAM filling order, and display data transmitted over the I
drive mode
multiplex
multiplex
multiplex
x = data bit unchanged
static
1:2
1:3
1:4
S
S
S
S
S
S
S
S
S
S
S
S
S
n+2
n+3
n+4
n+5
n+6
n
n+1
n+2
n+3
n+1
n+2
n
n+1
LCD segments
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+1
n
n+7
n
DP
DP
DP
DP
BP1
BP0
BP1
BP0
BP0
BP0
LCD backplanes
BP1
BP2
BP2
BP3
rows/backplane
rows/backplane
rows/backplane
rows/backplane
display RAM
display RAM
display RAM
display RAM
outputs (BP)
outputs (BP)
outputs (BP)
outputs (BP)
rows
rows
rows
rows
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
byte1
byte1
n + 1
n + 1
n + 1
n + 1
b
x
x
x
g
x
x
a
d
g
x
e
g
d
f
f
display RAM address/segment outputs (s)
display RAM address/segment outputs (s)
display RAM address/segment outputs (s)
display RAM address/segment outputs (s)
byte1
display RAM filling order
n + 2
n + 2
n + 2
a
e
e
x
x
byte2
x
x
x
c
x
x
f
n + 3
n + 3
DP
x
x
x
d
x
x
f
columns
columns
columns
columns
byte1
byte2
byte3
n + 4
g
x
x
x
n + 5
e
byte2
byte4
x
x
x
n + 6
byte3
d
x
x
x
byte5
n + 7
DP
x
x
x
MSB
MSB
MSB
MSB
2
c b a f g e d DP
a b f g e c d DP
b DP c a d g f e
a c b DP f e g d
C-bus
transmitted display byte
001aaj646
LSB
LSB
LSB
LSB