PIC16C924/CL Microchip Technology, PIC16C924/CL Datasheet

PIC16C924/CL

Manufacturer Part Number

PIC16C924/CL

Description

IC MCU EPROM 4KX14 LCDDVR 68CLCC

Manufacturer

Microchip Technology

Series

PIC® 16Cr

Datasheets

1.PIC16F616T-ISL.pdf (8 pages)

2.PIC16F818-ISO.pdf (6 pages)

3.PIC16C923-04L.pdf (189 pages)

4.PIC16LC924-04L.pdf (10 pages)

Specifications of PIC16C924/CL

Core Processor

PIC

Core Size

8-Bit

Speed

8MHz

Connectivity

I²C, SPI

Peripherals

LCD, POR, PWM, WDT

Number Of I /o

Program Memory Size

7KB (4K x 14)

Program Memory Type

EPROM

Ram Size

176 x 8

Voltage - Supply (vcc/vdd)

4 V ~ 6 V

Data Converters

A/D 5x8b

Oscillator Type

External

Operating Temperature

0°C ~ 70°C

Package / Case

68-CLCC Window, 68-CERQUAD

For Use With

AC164308 - MODULE SKT FOR PM3 68PLCCDVA16XL680 - ADAPTER DEVICE FOR MPLAB-ICEAC164024 - ADAPTER PICSTART PLUS 68PLCCAC164022 - MODULE SKT PROMATEII 68PLCC

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Eeprom Size

Current page: 1 of 10
Download datasheet (156Kb)

The PIC16C924 (Rev. A) parts you have received con-

form

(DS30444E), except for the anomalies described

below.

All the problems listed here will be addressed in future

revisions of the PIC16C924 silicon.

1. Module: 8-bit A/D Module

2. Module: CCP (Compare Mode)

2001 Microchip Technology Inc.

If the analog port is configured so that all analog

pins are digital inputs (PCFG2:PCFG0 = 11x),

then doing a conversion on any pin of the analog

port will give a result of ADRES = 0xFF.

Work around

Configure the PCFG2:PCFG0 bits to a value that

has any pin of the analog port configured as an

analog input (such as PCFG2:PCFG0 = 100).

Conversion on any pin of the analog port (analog

or digital) will now convert as expected.

The Compare mode may not operate as expected

when configuring the compare match to drive the

I/O pin low (CCPxM<3:0> = 1001).

When the CCP module is changed to compare

output low (CCPxM<3:0> = 1001) from any other

non-compare CCP mode, the I/O pin will immedi-

ately be driven low, regardless of the state of the

I/O data latch. The pin will remain low when the

compare match occurs (see Table 1).

However, when the CCP module is changed to

compare output high (CCPxM<3:0> = 1000) from

any other CCP mode, the I/O pin will immediately

be driven low, regardless of the state of the I/O

data latch. The pin will be driven high when the

compare match occurs.

Work around

To have the I/O pin high until the compare match

low occurs, force a compare match high to get the

I/O pin into the high state, then reconfigure the

compare match to force the I/O low when the com-

pare condition occurs.

functionally

PIC16C924 Rev. A Silicon/Data Sheet Errata

the

Device

Data

Sheet

TABLE 1:

3. Module: CCP (Compare Mode)

CCPxM<3:0> =

CCP Mode

The special event trigger of the Compare mode

may not occur if both of the following conditions

exist:

• An instruction one cycle (T

CCP1

• An instruction in the same cycle as a Timer1/

The interrupt for the compare event will still be

generated, but no special event trigger will occur.

Work around

Use the Interrupt Service Routine instead of using

the special event trigger to reset Timer1 (and start

an A/D conversion, if applicable).

Unit

Timer1/Compare register match has literal

data equal to the address of a CCP register

being used. Specific cases include:

Compare register match has an MSb of ‘0’.

0xxx

1000

1001

101x

11xx

PIC16C924

COMPARE OUTPUT LOW

SWITCHING

CCP1CON

I/O Pin

CCPR1H

CCPR1L

State

1001

Change CCP to

CCPxM<3:0> =

—

) prior to a

DS80111B-page 1

Literal Data

15h

16h

17h

1000

—

Related parts for PIC16C924/CL

PIC16C924/CL Summary of contents

Page 1

... To have the I/O pin high until the compare match low occurs, force a compare match high to get the I/O pin into the high state, then reconfigure the compare match to force the I/O low when the com- pare condition occurs. 2001 Microchip Technology Inc. PIC16C924 TABLE 1: Data Sheet CCP Mode CCPxM< ...

Page 2

... Timer0 prescaler. If TMR0 = FFh, this will cause TMR0 to overflow (setting T0IF). Work around Follow the following sequence: a) Read the 8-bit TMR0 register into the W register. b) Clear the TMR0 register. c) Assign WDT postscaler to Timer0. d) Write W register to TMR0. 2001 Microchip Technology Inc. ...

Page 3

... TMR1H:TMR1L = 00:00 (TMR1IF is not set.) Work around To preserve Timer1 register values: a) Read Timer1 register values into “shadow” registers. b) Perform any write instruction(s) on the shadow registers. c) Write the shadow register values back into the Timer1 registers. 2001 Microchip Technology Inc. PIC16C924 DS80111B-page 3 ...

Page 4

... Specification Units Min Typ Max — — Data Sheet Specification Units Min Typ Max + 3.0 — 0.3 V Data Sheet Specification Units Max Min Typ Max — — — — N.A. ns — — — — N.A. ns — N.A. ns 2001 Microchip Technology Inc. ...

Page 5

... The block diagram for PORTC presented in Figure 5-5 of the Device Data Sheet (DS30444E) is incorrect. The correct block diagram is shown in Figure 2. 2001 Microchip Technology Inc. PIC16C924 When the TMR1H and/or TMR1L registers are written while this clock is low, TMR1 will not incre- ...

Page 6

... WAVEFORMS IN 1/2 MUX, 1/3 BIAS DRIVE COM0 COM1 COM0 COM1 SEG0 SEG1 COM0-SEG0 COM0-SEG1 DS80111B-page 6 different LCD segments (SEG0 through SEG4) and the SEG1 drive waveform have been changed. The correct diagrams and waveforms are shown in Figure 3. 1 Frame 2001 Microchip Technology Inc ...

Page 7

... APPENDIX A: REVISION HISTORY Rev A Document (8/2001) First revision of this document. Rev B Document (11/2001) Added LCD module clarification (issue 6, page 6). 2001 Microchip Technology Inc. PIC16C924 DS80111B-page 7 ...

Page 8

... PIC16C924 NOTES: DS80111B-page 8 2001 Microchip Technology Inc. ...

Page 9

... Serialized Quick Term Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2001, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system ...

Page 10

... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-334-8870 Fax: 65-334-8850 Taiwan Microchip Technology Taiwan 11F-3, No. 207 ...

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