R

EMDB6812

Copyright © 2004, EM Microelectronic-Marin SA

4

www.emmicroelectronic.com

2.3.1

Connector description

2.3.1.1.

CON1

In-System-Programming connector (compatibility Elnec programmer ISP cable)

Header 2x5 male – 2.54 mm

1

Power

VDD_IN

EM6812 VDD supply

2

X

N.C.

No Connect

3

In

RST_EXT

External reset

4

X

N.C.

No Connect

5

X

N.C.

No Connect

6

Inout

SDIO

Data IO program.

7

Power

GND

Ground

8

In

SCLK

Clock program

9

Power

GND

Ground

10

Power

VPP/TESTISP

VPP/TESTISP program.

2.3.1.2.

CON2

User connector

Header 1x8 male – 2.54 mm

1

Power

GND

Ground

2

Power

VDD_EXT

External VDD supply

3

In

RST_EXT

External reset

4

In

OSCIN_EXT

External OSCIN connection

5

In

OSCOUT_EXT

External OSCOUT connection

6

X

N.C.

No Connect

7

Power

VDD_IN

EM6812 VDD supply

8

Power

GND

Ground

2.3.1.3.

CON3, CON4

Port user connector

Header 2x10 male – 2.54 mm

1

Power

GND

Ground

2

Power

GND

Ground

3

Inout

PA0

Port A bit 0

4

Inout

PB0

Port B bit 0

5

Inout

PA1

Port A bit 1

6

Inout

PB1

Port B bit 1

7

Inout

PA2

Port A bit 2

8

Inout

PB2

Port B bit 2

9

Inout

PA3

Port A bit 3

10

Inout

PB3

Port B bit 3

11

Inout

PA4

Port A bit 4

12

Inout

PB4

Port B bit 4

13

Inout

PA5

Port A bit 5

14

Inout

PB5

Port B bit 5

15

Inout

PA6

Port A bit 6

16

Inout

PB6

Port B bit 6

17

Inout

PA7

Port A bit 7

18

Inout

PB7

Port B bit 7

19

Power

GND

Ground

20

Power

GND

Ground