E981.03 Datasheet, PDF (20/51 Pages) ELMOS Semiconductor AG – Autonomous MAC and individual physical address

KNX/ EIB TRANSCEIVER
PRODUCTION DATA - JAN 15, 2015
V
V_VST,VCCon
V_V20,off
V_VST,SAVE,LH
V_VST,SAVE,HL
V
VST,VCCoff
V_{RESET_N,HL}
V_{V33I,reset,act}
2
I
I
BUSP,MAX
V
BUSP
V_VST
V_VCC
SoftStart
Phase 2
V
V33I
E981.03
V_V20
10
11
t
I
I^BUSP,SS
BUSP,SSpu
I
V33I
SAVE_N
RESET_N
1
34
I_VST
I_BUSP
5
6
I_V33I,VST
7
8
9
I
V33I,VCC
Figure 9. Undervoltage Condition
12 13
t
14
t
t
t
6.4 Communication Mode
BS1 = 1
BS0 = 1
CMOD = Bus
Monitoring
Communication Mode
CMOD = Busy CMOD = Normal
In figure 10 the four communication sub modes are
shown. The mode controlling registers can be modified
through UART or SPI commands.
For mode controlling registers see registers “DEVMODE”
und “CMODE”.
{optional}
Addressed Mode
Figure 10. E981.03 Communication Mode
Mode
Hard reset
Start-up
Soft reset
Analog
Normal
Bus monitor
Busy
Prioritization
1
2
3
4
5
5
4
The Prioritization is higher with a lower value.
Elmos Semiconductor AG reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
Elmos Semiconductor AG
Data Sheet
QM-No.: 25DS0046E.03
20/51