ACE9040 datasheet(18/33 Pages) MITEL

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ACE9040

TXSEN[3]

TXSEN[2]

TXSEN[1]

TXSEN[0]

DATD[3]

DATD[2]

DATD[1]

DATD[0]

Gain

AUDEV[3]

AUDEV[2]

AUDEV[1]

AUDEV[0]

(dB)

EARS[3]

EARS[2]

EARS[1]

EARS[0]

– 2·8

– 2·4

:::

+ 2·8

+ 3·2

Data bit

Bit Name

Function

Effect when

at 0

at 1

DATA3:

[0]

DATA3[0]

Bus Mode Select

Must be “0”

[1]

DATA3[1]

Bus Mode Select

Must be “1”

[3:2]

TEST[1:0]

Test Mode Select

see table 14

[4]

SATS

SAT source Select

RXSAT

TXSAT

[6:5]

DATAF[1:0]

Data Filter Bandwidth Select

see table 15

[7]

TACS

Cellular System Select

‡

TACS‡

DATA2:

[3:0]

TXSEN[3:0]

Combined Modulation Gain

see table 16

[7:4]

DATD[3:0]

Data Modulation Gain

see table 16

DATA1:

[3:0]

AUDEV[3:0]

Audio Modulation Gain

see table 16

[7:4]

EARS[3:0]

Earpiece “EARSENSE” Gain

see table 16

CONTROL BUS: INITIALIZING MODE 1

TEST[1]

TEST[0]

Test Mode

Operate mode (not in test mode)

Test DTMF

Bypass TXLPF

Bypass TXLPF & Softlimiter test

Table 14 Test Modes selected by TEST[1:0].

Table 15 Data Filter Bandwidths selected by DATAF[1:0].

Table 16 TXSENSE, DATADEV, AUDIODEV, and EARSENSE Nominal

Gains set, respectively, by TXSEN[3:0], DATD[3:0], AUDEV[3:0], and

EARS[3:0].

DATAF[1]

DATAF[0]

Cut-off Frequency

16 kHz

20 kHz

‡See table 19.

Table 13 “Initializing Mode 1”, DATA3[1:0] = 10.

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