
5.11 CON6 Signals
Pin Number
Signal Name
I/O
Function
1
+5V_USB
Power
Selection between USB power and power in VIN (when above 4.75V)
providing for a max 500mA supply
2
USB1-
In/Out
USB1 minus side signal, i.MX257 USBPHY1_DM pin
connection, signal line shared with CON5 (pin 2)
3
USB1+
In/Out
USB1 plus side signal, i.MX257 USBPHY1_DP pin
connection, signal line shared with CON5 (pin 3)
4
GND
Power
Power (GND)
As the lower port on CON5 and CON6 share the same signal lines they cannot both
be used at the same time. Please be sure to use only one of the connectors.
Information on tested USB devices is available on the Armadillo Developers Site
and is updated regularly.
5.7. CON8 (External Reset Terminal)
CON8 is an external reset terminal. CON8 (pin 1) is connected to the reset IC incorporated on the board, and while this
signal is low the board will be placed in a reset state.
5.12 CON8 Signals
Pin Number
Signal Name
I/O
Function
1
EXT_RESET*
In
External Reset
(low
[1]
: reset state, high
[2]
: no reset)
2
GND
Power
Power (GND)
[1]
In order to ensure a reset takes place, hold the signal low for at least 1msec.
[2]
Pin 1 on CON8 is internally pulled up to +3.3V and can accept input from other open collector or open drain signals.
5.4 EXT_RESET* Timing Chart
Armadillo-400 Series Hardware Manual
Interface Specifications
23
Содержание Armadillo-420
Страница 8: ...This is used for helpful information Armadillo 400 Series Hardware Manual Preface 8 ...
Страница 37: ...7 3 Armadillo 420 Connector Hole Measurements Armadillo 400 Series Hardware Manual Board Outline Diagrams 37 ...
Страница 39: ...7 6 Armadillo 440 Connector Hole Measurements Armadillo 400 Series Hardware Manual Board Outline Diagrams 39 ...
Страница 50: ...10 2 Case Dimensions Unit mm 10 1 Armadillo 400 Case Dimensions Armadillo 400 Series Hardware Manual Case 50 ...