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17 gpio ports, 18 jtag debug interface, 19 debug uart – Rainbow Electronics GE863-PRO3 User Manual

Page 37

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GE863-PRO

3

Product Description

80285ST10036a

Rev. 1 - 08/08/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 37 of 55

4.17 GPIO ports


The Application processor provides 90 General Purpose I/O multiplexed with the peripheral pins.
This pins can be moved with the Parallel I/O (PIO) controller in blocks of 32 pins or manually one by
one.
Each IO pin can be fully configured as Input, Output, Open Drain or not, with or without internal Pull-
ups, with or without Input Glitch filter.

4.18 JTAG Debug Interface


The application processor provides a JTAG interface for debugging compatible with IEEE1149.1 JTAG
Boundary-scan protocol.

4.19 Debug UART

The application processor supports also a debug UART that can support the Debug Communication
Channel (DCC) protocol.