Echelon I/O Model Reference for Smart Transceivers and Neuron Chips User Manual

Page 15

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I/O Model Reference

5

Table 3. Summary of the Serial I/O Models

I/O Model

Applicable I/O Pins Total Pins

per Object

Input/Output Value

Page

Bitshift Input

Any adjacent pair

(except IO7 + IO8
& IO10 + IO11)

2

Up to 16 bits of clocked

data

76

Bitshift Output

Any adjacent pair
(except IO7 + IO8

& IO10 + IO11)

2

Up to 16 bits of clocked
data

76

I

2

C

IO8 + IO9 or IO0 +

IO1

2

Up to 255 bytes of

bidirectional serial data

80

Magcard Bitstream IO8 + IO9 + (one of

IO0 – IO7)

2 or 3

Unprocessed serial data

stream from a magnetic
card reader

84

Magcard Input

IO8 + IO9 + (one of
IO0 – IO7)

2 or 3

Encoded ISO7811 track 2
data stream from a

magnetic card reader

86

Magtrack1

IO8 + IO9 + (one of

IO0 – IO7)

2 or 3

Encoded ISO3554 track 1

data stream from a

magnetic card reader

89

Neurowire I/O

IO8 + IO9 + IO10 +
(one of IO0 – IO7)

4

Up to 256 bits of
bidirectional serial data

92

SCI (UART)

1

IO8 + IO10

2

Up to 255 bytes input and
255 bytes output

98

Serial Input

IO8

1

8-bit characters

103

Serial Output

IO10

1

8-bit characters

103

SPI

IO8 + IO9 + IO10 +

(IO7)

3 or 4

Up to 255 byes of

bidirectional data

107

Wiegand Input

Any adjacent pair

in IO0 – IO7

2

Encoded data stream from

Wiegand card reader

118

Notes:

1. The SCI (UART) model is available only for the following device types: PL 3120-E4,

PL 3150, PL 3170, FT 5000, and Neuron 5000.

See Chapter 4,

Serial I/O Models

, on page 75, for more information about the

serial I/O models.

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