National LM95235 Electrical Schematic, Electrical and Mechanical Specifications, CY7C64603-52NC

5.0 Electrical and Mechanical Specifications

5.1 Electrical Specifications

Power Requirements

The Board uses the +5.0 VDC and GND lines from the USB connection. +5.0 ± 0.1 V, This +5.0 VDC voltage is regulated down to +3.3 VDC for board power. 100 mA max.

* NO EXTERNAL POWER SUPPLY INPUTS ARE REQUIRED *

5.2 Electrical Schematic

+3.3 VDC Use a 0.1 uF capacitor for each

		Vcc pin of U2 and Reserved_6 pin.					+ 3.3 VDC
C1	C2		C3	C4	C5	C6
0.1uF	0.1uF		0.1uF	0.1uF	0.1uF	0.1uF		R1
							0

+ 3.3 VDC

U1

Y1

LP2950CDT-3.3/TO252

12 MHz

1

IN

OUT

3

C9

C10

33pF

33pF

R4

C11

C12

C13

R2

L1

GND

R3

R15

1.5K

1 uH

C14

C15

C16

C17

100k

1M

2.2uF

0.1uF

100 pF

1.5K

2.2uF

0.1uF

2.2uF

0.1uF

C18

5 1 14 27 40 19

20 29 30 31 32 33 34

6

7

Q1

LM95235

+3.3 VDC

U3

0.1uF

Vcc3

Vcc4

RESERVED6

RESERVED7

PB0/T2

PB1/T2EX

PB2/RXD1 PB3/TXD1 PB4/INT4 PB5/INT5#

MMBT3904/SOT

D-

2

24

USBD-

CTL2/AOUTFLAG

37

HEADER 2x2

3

D-

OS/A0

6

OS/A0

OS/A0

USB-B

28

AVcc Vcc1 Vcc2

XIN

XOUT

1

VDD

SMBCLK

8

SCL

SCL

J3

J4

VBUS

1

RESET#

PB6/INT6

35

4

3

C19

2

D+

SMBDAT

7

SDA

SDA

R7

22

36

2

1

100 pF

PB7/T2OUT

Shunt to select the PCB

CTL0/AINFLAG

41

3

R9

22

25

PC0/RxD0

43

temperature diode.

4

TCRIT#

GND

5

D+

USBD+

44

PC1/TxD0

TCRIT

4

R11 1.5K

U2

45

TCRIT

GND

18

PC2/INT0#

5

DISCON#

SHELL_1

6

SHELL_2

CY7C64603-52NC

46

OS/A0

PC3/INT1#

+ 3.3 VDC

10

PA4/FWR#

R12

11

48

PA5/FRD#

PC4/T0

1M

12

49

CLKOUT

PC5/T1

U4

50

PC6/WR#

AT24C02-10SI-2.7

51

PC7/RD#

1

A0

Vcc

8

R13

R14

C20

1.5K

1.5K

0.1uF

1 2 3 4 5

2

7

_ _ _ _ _

Vss

SDA

SDA

3

SDA

WAKEUP#

AGnd

Gnd1 Gnd2

Gnd3

Gnd4

Gnd5 Gnd6 XCLKSEL XCLK

RDY2/AOE

RESERVED RESERVED

RESERVED RESERVED RESERVED

4

5

A1

WP

3

A2

SCL

6

SCL

2

SCL

4 8 13 21 26 39 47 52 16 38 42 9 15 17 22 23

SCL

SDA

TP1

GND

TP2

GND

TP3

GND

JP2

1

3

2

4

5

6

7

HEADER 1X7

TP4

GND

Schematic of the LM95235 Evaluation Board

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