PCF2113 Просмотр технического описания (PDF) - NXP Semiconductors.
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PCF2113 Datasheet PDF : 65 Pages
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NXP Semiconductors
6. Block diagram
PCF2113x
LCD controllers/drivers
C1 to C60
R1 to R18
VLCDIN
BIAS
VOLTAGE
GENERATOR
60
COLUMN DRIVERS
60
VLCDSENSE
DATA LATCHES
VLCDOUT
VLCD
GENERATOR
VDD3
60
SHIFT REGISTER 5 × 12 BIT
5
CURSOR AND DATA CONTROL
VDD1
VDD2
VSS1
VSS2
5
CHARACTER
GENERATOR
RAM (128 × 5)
(CGRAM)
16 CHARACTERS
8
CHARACTER
GENERATOR
ROM
(CGROM)
240 CHARACTERS
18
ROW DRIVERS
18
SHIFT REGISTER 18-BIT
OSCILLATOR
TIMING
GENERATOR
T1
7
T2
T3
DATA
REGISTER
(DR)
8
DISPLAY DATA RAM
(DDRAM)
80 CHARACTERS/BYTES
7
ADDRESS COUNTER
(AC)
7
7
INSTRUCTION
DECODER
BUSY
FLAG
8
INSTRUCTION
REGISTER (IR)
8
I/O BUFFER
7
DISPLAY
ADDRESS
COUNTER
PCF2113x
POWER-ON
RESET
OSC
PD
DB0 to DB3/SA0 DB4 to DB7 E
Fig 1. Block diagram of PCF2113x
R/W RS SCL SDA
mge990
PCF2113_FAM_4
Product data sheet
Rev. 04 — 4 March 2008
© NXP B.V. 2008. All rights reserved.
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