User`s manual
AMBE-2x0™-HDK Development Board
User’s Manual (Preliminary)
Page 13
DVSI Confidential Proprietary
Section 2 – Connectors, Test Points & Indicators
HDK Board Status Indicator LEDs
AMBE-20x0™-HDK Development Board uses LEDs’ as a convenient way to display the current
condition of Audio I/O, vocoder and communications channel to the operator.
The LCD indicators indicate the status of the board as follows
LED ID Description (when LED ON)
D3 Micro controller on
D4 AMBE Packet Format (HDK Packet format when OFF)
D9 Channel is Synchronized
D10 SM Clock
D11 Power Applied
D12 Reset (goes off when Reset Switch is pressed)
Table 12 Board Status LED's
Power
Reset
RS
-
232 Channel Sychronized
Micro-Controller On
SMClock