ATA5423_06 ATMEL [ATMEL Corporation], ATA5423_06 Datasheet - Page 64
![no-image](/images/no-image-200.jpg)
ATA5423_06
Manufacturer Part Number
ATA5423_06
Description
UHF ASK/FSK Transceiver
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATA5423_06.pdf
(100 pages)
- Current page: 64 of 100
- Download datasheet (2Mb)
Table 9-5.
64
Mode
TX
ATA5423/25/28/29
TX Modulation Schemes
ASK/_NFSK
0
1
Figure 9-12. TX Transparent Mode (T_MODE = 1)
P_Mode
X
X
X
X
0
0
1
1
0
0
1
1
Write Control Register 4
XLim:
ASK/_NFSK:
Sleep0 ... Sleep4:
XSleep:
Write Control Register 3
FR7, FR8:
VSOUT_EN:
CLK_ON:
Write Control Register 2
FR0 ...FR6:
P_mode:
Write Control Register 1
IR1, IR0:
AVCC_EN:
FS:
OPM1, OPM0:
T_mode:
Write Control Register 1
OPM1, OPM0:
T_Mode
0
0
0
0
1
1
0
0
0
0
1
1
Apply TX Data on Pin SDI_TMDI
Bit in TX/RX
Data Buffer
Don't care.
Select modulation.
Don't care.
Don't care.
Adjust f
Set VSOUT_EN = 1
Don't care.
Adjust f
Don't care.
Don't care.
Don't care.
Select operating frequency
Set OPM1 = 0 and OPM0 = 1.
Set T_mode = 1
Set IDLE (OPM1=0, OPM0=0)
RF
RF
X
X
X
X
1
0
1
0
1
0
1
0
Level on Pin
SDI_TMDI
T
Start-up Mode (TX)
Startup
X
X
X
X
X
X
X
X
1
0
1
0
= 331.5 x T
Idle Mode
Idle Mode
TX Mode
DCLK
f
f
ASK
ASK
f
f
FSK_L
FSK_H
off → f
on → f
f
f
f
f
RF
f
f
ASK
ASK
ASK
ASK
f
f
4841C–WIRE–05/06
FSK_H
FSK_L
FSK_H
FSK_L
→ f
→ f
OUT
on
off
on
off
FSK_H
ASK
ASK
FSK_L
on
off
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