pcf2104 NXP Semiconductors, pcf2104 Datasheet - Page 2

• Manufacturer Part Number: pcf2104
• Description: Pcf2104x Lcd Controller/driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CONTENTS
1
2
3
3.1
3.2
4
5
6
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
8.11
8.12
8.13
8.14
8.15
8.16
9
9.1
9.2
9.3
9.3.1
9.3.2
1997 Dec 16
LCD controller/driver
FEATURES
APPLICATIONS
GENERAL DESCRIPTION
Packages
Available types
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
PIN FUNCTIONS
RS: register select (parallel control)
R/W: read/write (parallel control)
E: data bus clock (parallel control)
DB0 to DB7: data bus (parallel control)
C1 to C60: column driver outputs
R1 to R32: row driver outputs
VLCD: LCD power supply
OSC: oscillator
SCL: serial clock line
SDA: serial data line
SA0: address pin
T1: test pad
FUNCTIONAL DESCRIPTION
LCD bias voltage generator
Oscillator
External clock
Power-on reset
Registers
Busy Flag
Address Counter (AC)
Display data RAM (DDRAM)
Character generator ROM (CGROM)
Character generator RAM (CGRAM)
Cursor control circuit
Timing generator
LCD row and column drivers
Programming of MUX 1 : 16 displays with
PCF2104x
Programming of MUX 1 : 32 displays with
PCF2104x
Reset function
INSTRUCTIONS
Clear display
Return home
Entry mode set
I/D
S
2
9.4
9.4.1
9.4.2
9.4.3
9.5
9.6
9.6.1
9.6.2
9.7
9.8
9.9
9.10
9.11
10
11
11.1
11.2
11.3
11.4
11.5
11.6
12
13
14
15
16
17
17.1
17.2
17.3
17.4
17.5
18
19
20
21
Display on/off control
D
C
B
Cursor/display shift
Function set
DL (parallel mode only)
N, M
Set CGRAM address
Set DDRAM address
Read busy flag and address
Write data to CGRAM or DDRAM
Read data from CGRAM or DDRAM
INTERFACE TO MICROCONTROLLER
(PARALLEL INTERFACE)
INTERFACE TO MICROCONTROLLER
(I
Characteristics of the I
Bit transfer
Start and stop conditions
System configuration
Acknowledge
I
LIMITING VALUES
HANDLING
DC CHARACTERISTICS
AC CHARACTERISTICS
TIMING DIAGRAMS
APPLICATION INFORMATION
8-bit operation, 2
reset
4-bit operation, 2
reset
8-bit operation, 2
I
Initializing by instruction
BONDING PAD LOCATIONS
DEFINITIONS
LIFE SUPPORT APPLICATIONS
PURCHASE OF PHILIPS I
2
2
2
C-bus protocol
C operation, 2
C-BUS INTERFACE)
12 display
12 display using internal
12 display using internal
24 display
2
C-bus
Product specification
2
PCF2104x
C COMPONENTS