CC-W9M-NA37-XE Digi International, CC-W9M-NA37-XE Datasheet - Page 86

• Manufacturer Part Number: CC-W9M-NA37-XE
• Description: MOD WI-9M 64MB SDRAM 128MB FLASH
• Manufacturer: Digi International
• Series: -r

Specifications of CC-W9M-NA37-XE

• Module/board Type: Core Module
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: Networking

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D i g i t a l I / O
I2C digital I/O
expansion, X44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manufacturer part number: BlockMaster MTS0900T
The development board provides a 3.81mm (1.50”) green terminal block, X44, for
additional digital I/Os. The I2C I/O port chip is on-chip ESD-protected, 5V tolerant,
and provides an open drain interrupt output.
The I/O expander is a Philips PCA9554D at I2C address 0x20 (bits A7..A1), or
0x40/0x41 if expressed in 8-bit format including the R/W bit at the end (bits A7..A1
+ R/W bit).”
The pins are allocated as shown below:
Pin
1
2
Function
IO_0
IO_1
Pin
6
7
Function
IO_5
IO_6
Digital I/O
connector, X44
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