User guide

Chapter 3 - Input/Output Interfaces
34 FT 3120 / FT 3150 Smart Transceiver Data Book
Table 3.1 Summary of Direct I/O Objects
Table 3.2 Summary of Parallel I/O Objects
Table 3.3 Summary of Serial I/O Objects
I/O Object Applicable I/O Pins Input/Output Value
Page
No.
Bit Input IO0 – IO10 0, 1 binary data 40
Bit Output IO0 – IO10 0, 1 binary data 40
Byte Input IO0 – IO7 0 – 255 binary data 41
Byte Output IO0 – IO7 0 – 255 binary data 41
Leveldetect Input IO0 – IO7 Logic 0 level detected 43
Nibble Input Any adjacent 4 in IO0 – IO7 0 – 15 binary data 44
Nibble Output Any adjacent 4 in IO0 – IO7 0 – 15 binary data 44
I/O Object Applicable I/O Pins Input/Output Value
Page
No.
Muxbus I/O IO0 – IO10 Parallel bidirectional port using mul-
tiplexed addressing
45
Parallel I/O IO0 – IO10 Parallel bidirectional handshaking
port
46
I/O Object Applicable I/O Pins Input/Output Value
Page
No.
Bitshift Input Any adjacent pair
(except IO7 + IO8)
Up to 16 bits of clocked data 57
Bitshift Output Any adjacent pair
(except IO7 + IO8)
Up to 16 bits of clocked data 57
I
2
C
IO8 + IO9 Up to 255 bytes of bidirectional
serial data
59
Magcard Input IO8 + IO9 + (one of IO0 – IO7) Encoded ISO7811 track 2 data
stream from a magnetic card
reader
60
Magtrack1 IO8 + IO9 + (one of IO0 – IO7) Encoded ISO3554 track 1 data
stream from a magnetic card
reader
62
Neurowire I/O IO8 + IO9 + IO10 + (one of IO0 – IO7) Up to 256 bits of bidirectional
serial data
63
Serial Input IO8 8-bit characters 66
Serial Output IO10 8-bit characters 66
Touch I/O IO0 – IO7 Up to 2048 bits of input or output
bits
67
Wiegand Input Any adjacent pair in IO0 – IO7 Encoded data stream from Wie-
gand card reader
69