Atmel manual AT91EB42 Evaluation Board User

AT91EB42 Evaluation Board User

			V C C 3 V 3					V C C 3 V 3
					R 5 1				R 3 1	1
					1 0 0 K				1 0 0 k
										2
										3
										4
						C B 1 3				5
										6
P B 1 7	S D A			1			2			7
										8
										9
		C B 1 4							S D A 1	1 1
	S C L 1		2
P B 1 6									S C L 1	1 2

			V C C 3 V 3
U 1 9
A 0	V C C	2 0
A 1	W P	1 9
		1 8
N C	N C
		1 7
N C	N C
		1 6
N C	N C
		1 5
N C	N C
		1 4		C 6 7
N C	N C	1 3			1 0 0 n F
N C	N C
N C
S D A		1 0
S C L	G N D
A T 2 4 C 5 1 2 W 1 - 1 0 S C - 2 . 7

Serial EEPROM memory on PIO

				V C C 3 V 3
		R 3 4	R 3 2
		1 0 0 k	1 0 0 k
					U 1 8
				1			7	V C C 3 V 3
					R D Y / B U S Y	V C C
N R S T		N R S T		2
					R E S E T
				3
					W P		3 2
						N C
							3 1
						N C
							3 0
						N C
M O S I A		M O S I A		1 5			2 9
					S I	N C
		M I S O A		1 6			2 8
M I S O A					S O	N C
		S P C K A		1 4			2 7
S P C K A					S C K	N C		C 6 5
							2 6
	1	2		1 3		N C
N P C S A 0			N P C S A 0				2 5	1 0 0 n F
					C S	N C
							2 4
		C B 1 5				N C
				4			2 3
					N C	N C
				5			2 2
			R 4 0		N C	N C
				6			2 1
					N C	N C
			1 0 0 k				2 0
						N C
				9			1 9
					N C	N C
				1 0			1 8
					N C	N C
				1 1			1 7
					N C	N C
				1 2
					N C		8
						G N D
		V C C 3 V 3
					A T 4 5 D B 3 2 1 - T C

Figure 6-10.SPI Memories, I2C Memories

Guide

Data Flash Memory

6-11

V C C 3 V 3

R 6 3

1 0 0 k

V C C 3 V 3

R 6 4

1 0 0 k

P B 1 9

1

C B 2

2

U 2 0

C B 3

N C O N V S T

1

C O N V S T

R D / W R

1 6

R D / W R

I R Q 3

1

2

B U S Y

2

1 5

S P C K A

B U S Y

S C L K

V C C 3 V 3

3

1 4

M O S I A

O T I

D i n

N P C S A 2 _ 1

4

1 3

M I S O A

1

C B 4

2

C S

D o u t

N P C S A 2

V C C 3 V 3

R 6 5

5

A G N D

D G N D

1 2

R 6 6

1 0 0 k

C 1 0 4

C 9 0

1 0 0 k

+

R 5 2

R 5 3

1 0 0 n F

1 0 0 K

1 0 0 K

6

1 1

1 0 µ F / 1 6 V

C B 1 7

U 2 1

R E F i n

V D D

V C C 3 V 3

1

2

1

8

N P C S A 1

N P C S A 1 _ 1

C S

V C C

2

C B 5

1

V I N 1

7

1 0

V I N 4

2

C B 6

1

V i n 1

V i n 4

2

1

V I N 2

8

9

V I N 3

2

1

M O S I A

5

7

V i n 2

V i n 3

S I

H O L D

M I S O A

2

3

C B 7

C B 8

S O

W P

S P C K A

6

S C K

4

A D 7 8 1 7 A R U

G N D

VIN[1 .. 4]

A T 2 5 2 5 6 W - 1 0 S C - 2 . 7

C 6

1 0 p F

A/D converter on SPIA

Serial EEPROM memory on SPIA

R 6 7 7 5 0 R / 1 %

R 6 8 1 K 5 0 1 %

V b a t t +

R 6 9 7 5 0 R / 1 %

R 7 0 4 K 3 0 / 1 %

V p s

1 0 p F

C 7

V C C 3 V 3

R 7 1

1 0 0 k

7 4 L V C 0 2 A D

C B 1 8

U 6 C

8

1

2

1 0

P B 2 0

P B 2 0 _ 1

9

1

N P B 2 0

U 6 D

7 4 L V C 0 2 A D

N P B 2 0

1 1

1 3

R D / W R

N P C S A 2 _ 1

1 2

1

7

1

4

V C C 3 V 3

C 8 9

1 0 0 n F

V C C 3 V 3

V C C 3 V 3

C 7 0

1 0 0 n F

and SPI ADC

Appendix B – Schematics