MCP2120 datasheet(47/64 Pages) MICROCHIP

47 / 64 page

 2001 Microchip Technology Inc.

DS51246A-page 43

Using a PICDEM™ 1 or PICDEM™ 2 Board as Host

5.2 Using the PICDEM 2 Board

The PICDEM™ 2 board may be used as the host controller in an IrDA

standard compatible system. PortB can be used to display received

characters, while any of the other ports would be used for the UART and

control signals. A PICmicro microcontroller may be selected that has a

hardware UART, or the UART functionality may be implemented in software.

Figure 5.2 shows the parts layout (silk-screen) for the PICDEM 2 board.

Figure 5.2: PICDEM 2 Parts Layout

+9V

9V BATTERY

C18

C13

C14

C15

C12

R10

R11

R12

R13

PICDEM 2 DEMO BOARD

PWR

PIC16C73

PIC16C64/74

RA0

RESET

RA4

RC2

RN1

543

RN2

PORT B

MCLR

RA0

RA1

RA2

RA3

RA4

RA5

RE0

RE1

RE2

RB6

RB5

RB4

RB3

RB2

RB1

RB0

RD7

RD6

RD5

RB7

RD4

RD3

RD2

RD1

RD0

RC7

RC6

RC5

RC4

RC3

RC2

RC1

RC0

C17

(RX)

(TX)

(SCL)

(SDA)

(OSO)

(OSI)

LCD DSPLY

RN3

KEYPAD

CR1

RN4

Note 1: U2 is for use with any 28-pin PIC16CXXX or PIC18CXXX device.

2: U1 is for use with any 40-pin PIC16CXXX or PIC18CXXX device.

MCP2120 Datasheet(PDF) 47 Page - Microchip Technology

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