EV8680 Datasheet, PDF (31/39 Pages) CML Microcircuits – Evaluation Kit

Evaluation Kit for CMX868
EV8680
1.6.7 Example EV8680 Device Evaluation Tests
The following information shows example text files (not supplied) that can be created by the user for EV8680
Evaluation Mode Tests.
Description : Instructs EV8680 to reset and powerup the CMX868 evaluation device.
Command : AT@RE0=4480@F2@RE0=4352<CR>
@RE0=4480 : Load 1180 Hex into CMX868 General Control Register ($E0)
@F2 : 100ms Delay
@RE0=4352 : Load 1100 Hex into CMX868 General Control Register ($E0)
General Control Register ($E0) = 1180 Hex
B15 B14 B13
B12
B11
0
0
0
1
0
11.0592
No
Xtal
LB
B10
0
Equ
Enable
B9
0
On
Hook
B8
1
Powered
Up
B7
1
Reset
B6
0
IRQN
O/P
Disabled
B5 B4 B3 B2 B1 B0
0
0
0
0
0
0
No IRQ Mask
General Control Register ($E0) = 1100 Hex
B15 B14 B13
B12
B11
0
0
0
1
0
11.0592
No
Xtal
LB
B10
0
Equ
Enable
B9
0
On
Hook
B8
1
Powered
Up
B7
0
Norm
B6
0
IRQN
O/P
Disabled
B5 B4 B3 B2 B1 B0
0
0
0
0
0
0
No IRQ Mask
The following information shows example AT commands for simple EV8680 Evaluation Board Tests. All tests
assume the CMX868 is powered up, as shown above.
Test 1
Description : Instructs EV8680 to go off-hook and transmit a 1209Hz tone (Tx Gain = 0dB).
Command : ATH1@RE1=7685<CR>
H1 : Take EV8680 Off-Hook
@RE1=7685 : Load 1E05 Hex into CMX868 Tx Mode Register ($E1)
Tx Mode Register ($E1) = 1E05 Hex
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
0
1
Tx Mode = DTMF/Tones
Tx Level = 0dB
Unused
Tx 1209Hz Fixed Tone
Test 2
Description : Instructs EV8680 to go off-hook and transmit a 1209Hz tone (Tx Gain = -10.5dB).
Command : ATH1@RE1=4101<CR>
H1 : Take EV8680 Off-Hook
@RE1=4101 : Load 1005 Hex into CMX868 Tx Mode Register ($E1)
Tx Mode Register ($E1) = 1005 Hex
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
1
Tx Mode = DTMF/Tones
Tx Level = -10.5dB
Unused
Tx 1209Hz Fixed Tone
Test 3
Description : Instructs EV8680 to go off-hook and transmit a 2100Hz tone (Tx Gain = 0dB).
Command : ATH1@RE1=7690<CR>
H1 : Take EV8680 Off-Hook
@RE1=7690 : Load 1E0A Hex into CMX868 Tx Mode Register ($E1)
Tx Mode Register ($E1) = 1E0A Hex
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
0
0
0
1
1
1
1
0
0
0
0
0
1
0
1
0
Tx Mode = DTMF/Tones
Tx Level = 0dB
Unused
Tx 2100Hz Fixed Tone
© 2000 Consumer Microcircuits Limited
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UM8680/2