PIC16LC924-08/CL View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LC924-08/CL

8-Bit CMOS Microcontroller with LCD Driver

Microchip Technology 

PIC16C9XX

FIGURE 17-1: LCD VOLTAGE WAVEFORM

D223

D224

VLCD3

VLCD2

VLCD1

VSS

TABLE 17-2: LCD MODULE ELECTRICAL SPECIFICATIONS

Parameter

No.

Sym Characteristic

Min

Typ†

Max

Units

Conditions

D200

VLCD3 LCD Voltage on pin

VLCD3

VDD - 0.3

— Vss + 7.0 V

D201

VLCD2 LCD Voltage on pin

—

—

VLCD3

V

VLCD2

D202

VLCD1 LCD Voltage on pin

—

—

VDD

V

VLCD1

D220*

VOH Output High

Voltage

Max VLCDN - — Max VLCDN V COM outputs IOH = 25 µA

0.1

SEG outputs IOH = 3 µA

D221*

VOL Output Low Voltage

Min VLCDN

— Min VLCDN + V COM outputs IOL = 25 µA

0.1

SEG outputs IOL = 3 µA

D222*

FLCDRC LCDRC Oscillator Fre-

5

quency

15

50

kHz VDD = 5V, -40˚C to +85˚C

D223*

TrLCD Output Rise Time

—

—

200

µs COM outputs Cload = 5,000 pF

SEG outputs Cload = 500 pF

VDD = 5.0V, T = 25°C

D224*

TfLCD Output Fall Time (1)

—

—

200

µs COM outputs Cload = 5,000 pF

SEG outputs Cload = 500 pF

VDD = 5.0V, T = 25°C

* These parameters are characterized but not tested.

† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not

tested.

(1) 0 ohm source impedance at VLCD.

TABLE 17-3: VLCD CHARGE PUMP ELECTRICAL SPECIFICATIONS

Parameter

No.

D250*

D252*

D265*

Symbol

Characteristic

IVADJ

∆ IVADJ/∆ VDD

VVADJ

VLCDADJ regulated current output

VLCDADJ current VDD Rejection

VLCDADJ voltage limits PIC16C92X

PIC16LC92X

* These parameters are characterized but not tested.

Note 1: For design guidance only.

Min Typ Max Units Conditions

— 10

—

µA

— — 0.1/1 µA/V

1.0 —

2.3

V

1.0

VDD -

V VDD < 3V

0.7V

© 1997 Microchip Technology Inc.

DS30444E - page 145

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