ATA5423 ATMEL Corporation, ATA5423 Datasheet - Page 63

• Manufacturer Part Number: ATA5423
• Manufacturer: ATMEL Corporation

Figure 9-11. TX Operation (T_MODE = 0)
4841A–RKE–02/05
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
ATA5423/25/28/29 [Preliminary]
Write TX/RX Data Buffer (max. 16 byte)
N
N
the TX/RX Data Buffer)
TX more Data Bytes ?
Pin IRQ=1 ?
Select baud rate range.
Don't care.
Select the baud rate.
Don't care.
Select the baud rate.
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
Y
Y
RF
RF
331.5
Mode (TX)
Idle Mode
Idle Mode
TX Mode
Start-up
T
Startup
T
DCLK
=
63