Rainbow Electronics GE863-PRO3 - Manual (Page 37)

GE863-PRO
3
Product Description
80285ST10036a Rev. 1 - 08/08/08
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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.