Digital Voice Systems AMBE-3000 Especificações descarregar pdf (Página 23)

AMBE-3000F™ Vocoder Chip Users Manual

Version 3.4, April, 2014

ardware Information

S_COM_RATE0 89 E13 Input LSB of Serial Communications Rate selection

S_COM_RATE1 90 E11 Input Serial Communications Rate selection

S_COM_RATE2 91 F10 Input MSB of Serial Communications Rate selection

SPI_WAKE 106 D9 Input

Must be connected to the active low frame sync signal from the

codec if the SPI interface is used and low power mode is enabled.

The signal is used to wake the AMBE-3000F™ Vocoder Chip

from stand-by mode.

UART_TX 111 C7 Output

Channel Transmit Data from AMBE-3000F™ Vocoder Chip SCI

asynchronous serial port. This pin must be held HIGH during a

Hard Reset.

UART_RX 112 A7 Input

Channel Receive Data to AMBE-3000F™ Vocoder Chip

asynchronous serial port.

RESETn 113 D6 I/O

AMBE-3000F™ Vocoder Chip Reset pin. Active LOW. The

RESET pin is considered an I/O port and will function as such

when a SOFT RESET packet (PKT_RESET or

PKT_RESETSOFTCFG) is sent to the device. For more details

see Section 3.6 Reset Behavior

ES_ENABLE 119 B5 Input Echo Suppressor enable / disable

EC_ENABLE 120 D5 Input Echo Canceller enable / disable

RATE5 121 E5 Input Vocoder Bit Rate Control Word

RATE4 122 A4 Input Vocoder Bit Rate Control Word

RATE3 123 B4 Input Vocoder Bit Rate Control Word

RATE2 124 C4 Input Vocoder Bit Rate Control Word

RATE1 125 D4 Input Vocoder Bit Rate Control Word

RATE0 126 A3 Input Vocoder Bit Rate Control Word

1v8

20, 29,

42, 56,

63, 74,

82, 94,

102,

110,

114

B10,

C8,

C14,

G12,

H1,

K12,

L1,

P5,

P9,

P12,

PWR Supply Voltage 1.8-V Core Digital Power Pins. (V

)

(Subject to Change) Page 13

DVSI CONFIDENTIAL PROPRIETARY

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