1. S4525A Peripherals & Enhanced FLASH 1 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 1 Peripherals & Enhanced FLASH New Peripherals Enhanced FLASH PIC16F87X and PIC16F62X Enhanced FLASH PIC16F87X and PIC16F62X

2. S4525A Peripherals & Enhanced FLASH 2 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 2 Peripherals & Enhanced FLASH PIC16F87X Features at a Glance l 8K x 14 FLASH Program Memory l Typ. 1000 E/W l Byte/Word Read/Write at V DD l 256 x 8 EEPROM Data Memory l Min. 100K E/W l 368 x 8 Data Memory (RAM) l 33 I/O ports l 25mA sink/source l 3 Timers l 1 - 16-bit l 2 - 8-bit l 10-bit A/D l 8K x 14 FLASH Program Memory l Typ. 1000 E/W l Byte/Word Read/Write at V DD l 256 x 8 EEPROM Data Memory l Min. 100K E/W l 368 x 8 Data Memory (RAM) l 33 I/O ports l 25mA sink/source l 3 Timers l 1 - 16-bit l 2 - 8-bit l 10-bit A/D l Two Capture/Compare/PWMs l USART l 9-bit addressable l High Speed Enhanced SPI  l All 4 SPI modes supported l Microwire  Support Master I 2 C  l Hardware Write to I 2 C devices In-Circuit-Serial Programming  l In-Circuit-Debugger l Parallel Slave Port

3. S4525A Peripherals & Enhanced FLASH 3 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 3 Peripherals & Enhanced FLASH PIC16F62X Features at a Glance l 18-pin package l Up to 2K x 14 FLASH Program Memory l Typ. 1000 E/W l Byte/Word Read/Write at V DD l 128 x 8 EEPROM Data Memory l Min. 100K E/W l 224 x 8 Data Memory (RAM) l 16 I/O ports l 25mA sink/source l 18-pin package l Up to 2K x 14 FLASH Program Memory l Typ. 1000 E/W l Byte/Word Read/Write at V DD l 128 x 8 EEPROM Data Memory l Min. 100K E/W l 224 x 8 Data Memory (RAM) l 16 I/O ports l 25mA sink/source l 3 Timers l 1 - 16-bit l 2 - 8-bit l Capture/Compare/PWM l USART l 9-bit addressable l High Speed l 2 Comparators In-Circuit-Serial Programming  l Internal RC Oscillator

4. S4525A Peripherals & Enhanced FLASH 4 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 4 Peripherals & Enhanced FLASH Enhanced CCP Module l Capture and Compare Modes: l The same as existing CCP Module. l New PWM Modes: l Single output l Dual outputs l Quad outputs l Capture and Compare Modes: l The same as existing CCP Module. l New PWM Modes: l Single output l Dual outputs l Quad outputs

5. S4525A Peripherals & Enhanced FLASH 5 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 5 Peripherals & Enhanced FLASH Enhanced CCP Module l Single Output Mode: l PA output running in PWM mode. l Similar to existing CCP in PWM mode. l Selectable active high or active low output. l Application examples: l To create a low frequency D/A converter. l To drive a single power switch. l Single Output Mode: l PA output running in PWM mode. l Similar to existing CCP in PWM mode. l Selectable active high or active low output. l Application examples: l To create a low frequency D/A converter. l To drive a single power switch.

6. S4525A Peripherals & Enhanced FLASH 6 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 6 Peripherals & Enhanced FLASH Enhanced CCP Module l Dual Output Mode: l PA output running in PWM Mode. l PB output is complementary of PA. l Dead-band control: l To accommodate turn-off delay of one switch before turning on the other. l Programmable 0-255 times 4xTosc. l Independently selectable active high or active low outputs. l Dual Output Mode: l PA output running in PWM Mode. l PB output is complementary of PA. l Dead-band control: l To accommodate turn-off delay of one switch before turning on the other. l Programmable 0-255 times 4xTosc. l Independently selectable active high or active low outputs.

7. S4525A Peripherals & Enhanced FLASH 7 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 7 Peripherals & Enhanced FLASH Dead Time PWM TPTP T DC TDTD T D =Dead Time [Dual Output Mode Only] T DC =Duty Cycle Time T P =Period Time

8. S4525A Peripherals & Enhanced FLASH 8 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 8 Peripherals & Enhanced FLASH Enhanced CCP Module l Application Examples for Dual Output Mode: l Half-bridge l Full-bridge with all four switches modulated at PWM frequency l Application Examples for Dual Output Mode: l Half-bridge l Full-bridge with all four switches modulated at PWM frequency

9. S4525A Peripherals & Enhanced FLASH 9 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 9 Peripherals & Enhanced FLASH PWM Dual Output Mode Half Bridge Example LOAD FET DRIVER PA PB PIC16C717 PIC16C770 PIC16C771

10. S4525A Peripherals & Enhanced FLASH 10 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 10 Peripherals & Enhanced FLASH PWM Dual Output Mode Full Bridge Example PA PB PIC16C717 PIC16C770 PIC16C771 V HIGH FET DRIVER FET DRIVER MOTOR PIC16C717 PIC16C770 PIC16C771 PA PB FET DRIVER

11. S4525A Peripherals & Enhanced FLASH 11 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 11 Peripherals & Enhanced FLASH Enhanced CCP Module l Quad Output Mode: l PB or PD output modulated. l PC or PA output is active. l Independently selectable active high or active low output pairs. l Application Examples: l Full-bridge where only one switch is modulated at PWM frequency to minimize switching losses. l Quad Output Mode: l PB or PD output modulated. l PC or PA output is active. l Independently selectable active high or active low output pairs. l Application Examples: l Full-bridge where only one switch is modulated at PWM frequency to minimize switching losses.

12. S4525A Peripherals & Enhanced FLASH 12 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 12 Peripherals & Enhanced FLASH PWM Quad Output Mode Example FET DRIVER PA PB PC PD PIC16C717 PIC16C770 PIC16C771 MOTOR V HIGH FET DRIVER A C BD

13. S4525A Peripherals & Enhanced FLASH 13 © 1999 Microchip Technology Incorporated. All Rights Reserved. S4525A Peripherals & Enhanced FLASH 13 Peripherals & Enhanced FLASH Bank0 Bank1 Bank2 Bank3 Special Function Registers PIC16C77 PIC16F877 00h 180h 1Fh 19Fh 00h 1Fh 180h 19Fh