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Echelon LonWorks Router User Manual

Page 38

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Table 8 lists the pin assignments for the Router 5000 chip. All digital inputs are low-voltage

transistor-transistor logic (LVTTL) compatible, 5 V tolerant, with low leakage. All digital

outputs are slew-rate limited to reduce Electromagnetic Interference (EMI) concerns.

Table 8. Router 5000 Chip Pin Assignments

Name

Pin

Number Type

Description

SVC~

1

Digital I/O

Service (active low)

IO0

2

Digital I/O

IO0 (side A to side B)

IO1

3

Digital I/O

IO1 (side A to side B)

IO2

4

Digital I/O

IO2 (side A to side B)

IO3

5

Digital I/O

IO3 (side A to side B)

VDD1V8

6

Power

1.8 V Power Input

(from internal voltage regulator)

IO4

7

Digital I/O

IO4 (side A to side B)

VDD3V3

8

Power

3.3 V Power

IO5

9

Digital I/O

IO5 (side A to side B)

IO6

10

Digital I/O

IO6 (side A to side B)

IO7

11

Digital I/O

IO7 (side A to side B)

IO8

12

Digital I/O

IO8 (side A to side B)

IO9

13

Digital I/O

IO9 (side A to side B)

IO10

14

Digital I/O

IO10 (side A to side B)

IO11

15

Digital I/O

IO11 (not used for routers)

VDD1V8

16

Power

1.8 V Power Input

(from internal voltage regulator)

TRST~

17

Digital Input

JTAG Test Reset (active low)

VDD3V3

18

Power

3.3 V Power

TCK

19

Digital Input

JTAG Test Clock

TMS

20

Digital Input

JTAG Test Mode Select

TDI

21

Digital Input

JTAG Test Data In

TDO

22

Digital Output JTAG Test Data Out

XIN

23

Oscillator In

Crystal oscillator input

XOUT

24

Oscillator Out Crystal oscillator output

VDDPLL

25

Power

1.8 V Power Input

(from internal voltage regulator)

GNDPLL

26

Power

Ground

VOUT1V8

27

Power

1.8 V Power Output

(of internal voltage regulator)

28

LONWORKS Router Electrical Interfaces