ATA5743 ATMEL Corporation, ATA5743 Datasheet - Page 28

• Manufacturer Part Number: ATA5743
• Description: Ata5743 Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Figure 6-24. Generation of the Power-on Reset
6.6.2
Figure 6-25. Timing of the Register Programming
28
IC_ACTIVE
Out1 (µC)
Data_out (DATA)
Serial bi-directional
data line
POR
Data_out (DATA)
V
ATA5743
S
Programming the Configuration Register
X
X
X
Receiving
mode
The RM implies the following characteristics:
By means of that mechanism the receiver cannot lose its register information without communi-
cating that condition via the reset marker RM.
• f
• If the receiver is set back to polling mode via pin DATA, RM cannot be cancelled by accident
misinterpreted by the connected microcontroller.
if t1 is applied according to the proposal in the section
Register” on page
RM
t1
is lower than the lowest feasible frequency of a data signal. By this means, RM cannot be
t
Rst
t2
t3
(Start bit)
28.
t4
Bit 1
(0)
t5
t7
t6
V
ThReset
Programming frame
(Register-
Bit 2
select)
(1)
(Poll8)
Bit 14
(0)
“Programming the Configuration
1/f
RM
(Stop bit)
Bit 15
(0)
t8
t9
Sleep
mode
T
Sleep
T
Start-up
mode
Start-up
4839B–RKE–08/05