PIC18F452-I/PT Microchip Technology, PIC18F452-I/PT Datasheet
PIC18F452-I/PT
Specifications of PIC18F452-I/PT
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PIC18F452-I/PT Summary of contents
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... IDs: Part Number Device ID PIC18F242 00 0100 100 PIC18F252 00 0100 000 PIC18F442 00 0100 101 PIC18F452 00 0100 001 The Device IDs (DEVID1 and DEVID2) are located at addresses 3FFFFEh:3FFFFFh in configuration space. They are shown in hexadecimal in the format “DEVID2 DEVID1”. 1. Module: Program Memory (Code Protection) ...
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... Note: This does not apply to the INT0 (external) interrupt always configured as a high priority interrupt. • Assign synchronous interrupts to both high and low priority, as needed. Date Codes that pertain to this issue: All engineering and production devices. © 2005 Microchip Technology Inc. ...
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... Microchip Technology Inc. 7. Module: Core (Program Memory Space) Note: This issue applies only to PIC18F252 over and PIC18F452 devices with 32K words of Flash program memory. PIC18F242 and PIC18F442 devices are not affected. Under certain conditions, the execution of some control operations may yield unexpected results. ...
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... PROCESSING THE CARRY BIT DURING BCD ADDITIONS MOVLW 0x80 ; .80 (BCD) ADDLW 0x80 ; .80 (BCD) BTFSC STATUS,C ; test C INCFSZ byte2 ; inc next higher LSB DAW BTFSC STATUS,C ; test C INCFSZ byte2 ; inc next higher LSB This is repeated for each DAW instruction. © 2005 Microchip Technology Inc. ...
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... Work around None Date Codes that pertain to this issue: All engineering and production devices. © 2005 Microchip Technology Inc. PIC18FXX2 13. Module: Reset It has been observed that in certain Reset condi- tions, including power-up, the first GOTO instruction at address 0x0000 may not be executed. This occurrence is rare and affects very few applications ...
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... Sleep mode, or during a device Reset, without losing RAM measurements in active operation mode are: is not included. The current through the resistor can EXT /2R (mA) with R in kΩ. DD EXT EXT ≤ +85°C for industrial A ≤ +85°C for industrial A ≤ +125°C for extended A Conditions © 2005 Microchip Technology Inc. ...
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... ML = QFN For the sake of completeness also noted that the package designation “MLF” is now replaced by is “QFN” in all occurrences throughout the Device Data Sheet. “MLF” should be considered an obsoleted term PIC18F442 PIC18F452 Example PIC18F442 -I/ML PIC18FXX2 OSC2/CLKO/RA6 OSC1/CLKI V SS ...
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... Digital I/O. Open-drain when configured as output Timer0 external clock input. 24 I/O TTL Digital I/O. I Analog Analog input SPI™ Slave Select input. I Analog Low-Voltage Detect input. (See the OSC2/CLKO/RA6 pin.) CMOS = CMOS compatible input or output I = Input P = Power ) DD Description © 2005 Microchip Technology Inc. ...
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... RB7 PGD Legend: TTL = TTL compatible input ST = Schmitt Trigger input with CMOS levels O = Output OD = Open-Drain (no P diode to V © 2005 Microchip Technology Inc. Pin Buffer Type Type PORTB is a bidirectional I/O port. PORTB can be software programmed for internal weak pull-ups on all inputs. ...
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... SPI Data Out. 44 I/O ST Digital I/O. O — USART Asynchronous Transmit. I/O ST USART Synchronous Clock (see related RX/DT I/O ST Digital I/ USART Asynchronous Receive. I/O ST USART Synchronous Data (see related TX/CK). CMOS = CMOS compatible input or output I = Input P = Power ) DD Description © 2005 Microchip Technology Inc. ...
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... Legend: TTL = TTL compatible input ST = Schmitt Trigger input with CMOS levels O = Output OD = Open-Drain (no P diode to V © 2005 Microchip Technology Inc. Pin Buffer Type Type PORTD is a bidirectional I/O port Parallel Slave Port (PSP) for interfacing to a microprocessor port. These pins have TTL input buffers when PSP mod- ule is enabled ...
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... MILLIMETERS* MIN NOM MAX 44 0.65 BSC 1 0.80 0.90 1.00 0 0.02 0.05 0.25 REF 2 7.85 8.00 8.15 6.25 6.80 6.95 7.85 8.00 8.15 6.25 6.80 6.95 0.20 0.33 0.35 0.35 0.40 0.48 Revised 3-14-05 © 2005 Microchip Technology Inc. ...
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... Higher leakage current may be measured at different input voltages. 3: Negative current is defined as current sourced by the pin. 4: Parameter is characterized but not tested. © 2005 Microchip Technology Inc. Standard Operating Conditions (unless otherwise stated) Operating temperature -40°C ≤ T Min ...
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... Pinout and Product Identification). Rev H Document (7/2003) Added silicon issue 12 (Timer1 Oscillator). Rev J Document (8/2004) Updated Data Sheet Clarification issue 2 (Packaging) and added Data Sheet Clarification issue 3 (DC Characteristics). Rev K Document (05/2005) Added silicon issue 13 (Reset). DS80122K-page 14 © 2005 Microchip Technology Inc. ...
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... PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance and WiperLock are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Fax: 65-6334-8850 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Taiwan - Hsinchu Tel: 886-3-572-9526 Fax: 886-3-572-6459 © 2005 Microchip Technology Inc. EUROPE Austria - Weis Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Ballerup Tel: 45-4450-2828 Fax: 45-4485-2829 France - Massy Tel: 33-1-69-53-63-20 ...