PCF21xxC family
LCD drivers
Rev. 3 — 6 May 2015
Product data sheet
1. General description
The PCF21xxC family are single-chip, silicon gate CMOS LCD driver circuits. A 3-line bus
(C-bus) structure enables serial data transfer with microcontrollers.
2. Features and benefits
Supply voltage 2.25 V to 6.0 V
Low current consumption
Serial data input
C-bus control
One-point built-in oscillator
Stand-alone or expanded system
Power-on reset clear
LCD segments: 40 (PCF2100C), 64 (PCF2111C) and 32 (PCF2112C)
Multiplex rate: 1:2 (PCF2100C and PCF2111C) and 1:1 (PCF2112C)
Word length: 22 bits (PCF2100C) and 34 bits (PCF2111C and PCF2112C)
3. Ordering information
Table 1.
Ordering information
Package
Name
PCF2100CT
PCF2111CT
PCF2112CT
SO28
VSO40
VSO40
Description
Version
plastic small outline package; 28 leads; SOT136-1
body width 7.5 mm
plastic very small outline package;
40 leads
plastic very small outline package;
40 leads
SOT158-1
SOT158-1
Type number
NXP Semiconductors
PCF21xxC family
LCD drivers
3.1 Ordering options
Table 2.
Ordering options
Orderable part number Sales item
(12NC)
PCF2100CT/F1,112
PCF2100CT/F1,118
PCF2111CT/1
PCF2112CT/1
PCF2111CT/1,112
PCF2111CT/1,118
PCF2112CT/1,112
PCF2112CT/1,118
935195690112
935195690118
935278772112
935278772118
935279199112
935279199118
Delivery form
tube
tape and reel, 13 inch
tube
tape and reel, 13 inch
tube
tape and reel, 13 inch
IC
revision
1
1
1
1
1
1
Product type number
PCF2100CT/F1
4. Marking
Table 3.
Marking codes
Marking code
PCF2100CT
PCF2111CT
PCF2112CT
Type number
PCF2100CT
PCF2111CT
PCF2112CT
5. Block diagram
Fig 1.
Block diagram; PCF2100C
PCF21XXC_FAM
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 3 — 6 May 2015
2 of 25
NXP Semiconductors
PCF21xxC family
LCD drivers
Fig 2.
Block diagram; PCF2111C
Fig 3.
Block diagram; PCF2112C
PCF21XXC_FAM
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 3 — 6 May 2015
3 of 25
NXP Semiconductors
PCF21xxC family
LCD drivers
6. Pinning information
6.1 Pinning
Fig 4.
Pin configuration
PCF2100C (SOT136-1)
Fig 5.
Pin configuration PCF211C
(SOT158-1)
Fig 6.
Pin configuration
PCF2112C (SOT158-1)
6.2 Pin description
Table 4.
Pin description
Input or input/output pins must always be at a defined level (V
SS
or V
DD
) unless otherwise specified.
Symbol
CLB
V
DD
OSC
V
SS
S32
S31
S30
S29
S28
S27
S26
S25
PCF21XXC_FAM
Pin
PCF2100C
1
2
3
4
-
-
-
-
-
-
-
-
PCF2111C
1
2
3
4
5
6
7
8
9
10
11
12
PCF2112C
1
2
3
4
5
6
7
8
9
10
11
12
Description
clock burst input (C-bus)
supply voltage
oscillator input
supply voltage ground
LCD driver output
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 3 — 6 May 2015
4 of 25
NXP Semiconductors
PCF21xxC family
LCD drivers
Table 4.
Pin description
…continued
Input or input/output pins must always be at a defined level (V
SS
or V
DD
) unless otherwise specified.
Symbol
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
BP2
n.c.
BP1
BP
DATA
DLEN
Pin
PCF2100C
-
-
-
-
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
-
26
-
27
28
PCF2111C
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
-
38
-
39
40
PCF2112C
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
-
37
-
38
39
40
backplane driver output 2
not connected
backplane driver output 1
backplane driver output
data input line (C-bus)
data input line enable (C-bus)
LCD driver output
Description
PCF21XXC_FAM
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 3 — 6 May 2015
5 of 25
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