AT48802 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT48802' PDF : 23 Pages View PDF
Register Functions (Continued)
Function
TX PWR 0
TX PWR 1
Register
6
Bit #
1-2
Ring Attn or
Dial Pulse
6
3
RDP
6
4
RDE TDE
5
5-6
Flip Switch
Polarity
6
7
Port 0
7
0-7
RSSI AD
8
0-7
Sync Select
Sync Mode
9
0-1
Gain 0, 1
9
2-3
2-16
AT48802
Description
Turn RF transmitter on or off.
TX PWR 0
TX PWR 1
TX PWR pin 56
0
0
0
0
1
TDD
1
0
!TDD
1
1
1
For attenuating the ring amplitude as heard in the
handset, or for controlling an off hook/pulse dial relay in
the base station of a telephone. Useful in handset when
there is no separate ring transducer from the speaker.
1 sets 1, 0 sets 0 at pin 8.
Receive data polarity. Inverts or does not invert receive
data in the internal data path.
Receive and transmit data enable.
0 = disable, 1 = enable input pins 49 and 53.
Wakeup edge sense polarity for input pin 21
0 = down edge, 1 = up edge sensing.
Controls general purpose output port at pins 2-6 and
12-14. Non-inverting.
Read only, contains the data from the A to D converter
gathered serially from pins 26, 28, 30. Non-inverting. Bit
0 = LSB.
These bits control how transmit and receive epoch sync
pulses appear on pin 52.
Select
Mode
Sync pin 52
0
0
Trinary, rec up,
xmt down
0
1
Binary, rec up
1
0
Trinary, xmt up,
rec down
1
1
Binary, xmt up
Intended to control two receive gain states in the RF
module.
Gain 0
Gain 1
Gain pin 50
0
0
0
0
1
TDD
1
0
!TDD
1
1
1
(continued)
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