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E981.03 Datasheet, PDF (9/51 Pages) ELMOS Semiconductor AG – Autonomous MAC and individual physical address
KNX/ EIB TRANSCEIVER
PRODUCTION DATA - JAN 15, 2015
E981.03
Electrical Characteristics (continued)
(VBUSP = 19V … 33V, TAMB = -25°C … +85°C, unless otherwise noted. Positive currents are flowing into the device pins.
Typical values are at TAMB = +25°C, unless otherwise noted.)
Description
Condition
Symbol
Min
Typ
Max Unit
Voltage at pin SETVCC for
selection of VCC = 5 V and no
active alarm condition
VSETVCC,high
0.8
VV33I
Pull resistance at pin SETVCC to
V33I
Rp33,SETVCC
200
kΩ
Pull resistance at pin SETVCC to
GND
Rp0,SETVCC
200
kΩ
Voltage at pin V33I
Clock System - AC Characteristics
VV33I
3.22 3.3
3.38 V
Crystal frequency (±50ppm)
CLK_FAC L/H (0x20A
/ 0x20B) = 0xE330
(reset value)
fQ
7.3728
MHz
Synchronization clock frequency
applied at pin XTAL
no crystal installed
EXTAL is n.c.
f XTAL,sync
126.537 126.562 126.588 Hz
Host UART Interface - DC Characteristics
Input low voltage at pin RXD
Input high voltage at pin RXD
Pull down current at pin RXD
Low level on TXD pin
High level on TXD pin
Low level on pin BS0
VRXD = 5 V, VIO = 5 V
ITXD = 5 mA, VIO = 5
ITXD = 2 mA
ITXD = -5 mA, VIO = 5
ITXD = -2 mA
High level on pin BS0
Pull down current on pin BS0
Low level on pin BS1
VIO=5 V, VBS0=5 V
High level on pin BS1
Pull down current on pin BS1
VIO=5 V, VBS0=5 V
Host UART Interface - AC Characteristics
VRXD,low
VRXD,high
IRXD,pd
VTXD,low,5
VTXD,low,2
VTXD,high,5
VTXD,high,2
VBS0,low
VBS0,high
IPD,BS0
VBS1,low
VBS1,high
IPD,BS1
0.8
100
VIO-0.7 V
VIO-0.4 V
0.8
30
0.8
30
0.2
VIO
VIO
µA
0.7
V
0.4
V
0.2
VIO
VIO
µA
0.2
VIO
VIO
µA
UART receiver timeout between
subsequent byte of a service
tUART,IBG,RX
2.5
ms
Baud rate deviation
Host SP Interface - DC Characteristics
ΔfUART
-3%
3%
Input high voltage at pin SCS, SCK,
MOSI, MISO
VSPI,high
0.8
VIO
Input low voltage at pin SCS, SCK,
MOSI, MISO
VSPI,low
0.2
VIO
Pull down current on pin SCS
VSCS=5 V, VIO=5 V
IPU,SCS
-30
µA
Pull down current on pin SCK
VSCK=5 V, VIO=5 V
IPU,SCK
-30
µA
High output level on MISO, MOSI
pin
IMISO = -5mA, VIO= 5V
IMISO = -2 mA
VMISO,high,5
VMISO,high,2
VIO -0.7V
VIO-0.4 V
Low output level on MISO, MOSI
pin
IMISO = 5mA, VIO= 5V
IMISO = 2 mA
VMISO,low,5
VMISO,low,2
0.7
V
0.4
V
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
9/51