MAX194 Evaluation System/Evaluation Kit

10

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R7, 10k

R10, 1k

R11, 1k

VDDD

VDDD

JU6

"AUTO"

"SHDN"

"UNI"

"OSC"

"EXT"

JU7

JU3

R13, 1k

RESET

CONV

CONCLK

R18

270

Ω

(OPTIONAL)

R19

270

Ω

(OPTIONAL)

DOUT

VDDD

EOC

U4

TEST POINTS

VDDD

XTAL

OSC.

BP / UP/ SHDN

CONVCLK

J3-2 (FSR)

J3-4 (DR)

(CLKR) J3-9

(XF1) J3-8

J3-1

J3-10

J1-27

P1.0 / IC1

24

1

3

2

14

C25

0.1

µF

4

11

7

8

EXTCLK1

3

1

EOC

"GND"

"QSPI"

"QSPI"

"CONT"

"QSPI"

JU4

Chip Select

JU5

CONV Select

CS

CONV

SCLK

1

QSPI_PCSO

QSPI_PCSO

QSPI_PCSO

EOC

2

3

1

2

3

J1-28

P1.1 / IC2

J1-29

P1.2 / IC3

J1-30

P1.3 / OC1

J1-31

P1.4 / OC2

J1-32

P1.5 / OC3

2x20 HEADER

J1-35

MISO

DOUT

J1-36

MOSI

J1-37

SCK

J1-38

PCSO / SS

J1-39

CLKOUT

J1-40

PWMA

J1-33

P1.6 / OC4

J1-34

P1.7 / IC4

JU1

= DIGITAL

GROUND

= ANALOG

GROUND

Figure 1. MAX194 EV Kit Schematic (continued)