ATA5423_06 ATMEL [ATMEL Corporation], ATA5423_06 Datasheet - Page 63
ATA5423_06
Manufacturer Part Number
ATA5423_06
Description
UHF ASK/FSK Transceiver
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATA5423_06.pdf
(100 pages)
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Figure 9-11. TX Operation (T_MODE = 0)
4841C–WIRE–05/06
Write Control Register 1
OPM1, OPM0:
N
Command: Delete_IRQ
Pin IRQ=1 ?
Set IDLE
Y
Write Control Register 6
Baud1, Baud0:
Lim_max0 ... Lim_max5:
Write Control Register 5
Lim_min0 ... Lim_min5:
BitChk0, BitChk1:
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 TX/RX Data Buffer (Max. 16 - Number of Bytes still in
Write TX/RX Data Buffer (max. 16 byte)
N
N
the TX/RX Data Buffer)
TX more Data Bytes ?
Pin IRQ=1 ?
Don't care.
Don't care.
Select modulation.
Don't care.
Don't care.
Adjust f
Set VSOUT_EN = 1
Don't care.
Adjust f
Enable or disable the
Manchester modulator.
Select an event which activates
an interrupt.
Don't care.
Select operating frequency
Set OPM1 = 0 and OPM0 = 1.
Set T_mode = 0
Select the bit rate.
Select the bit rate.
Select bit-rate range.
Y
Y
RF
RF
ATA5423/25/28/29
331.5 × T
Mode (TX)
Idle Mode
Idle Mode
TX Mode
Start-up
T
Startup
DCLK
=
63
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