Siemens KNX EIB TP-UART 2-IC, Руководство пользователя

Страница: 6 / 42

GAMMA instabus
Release: February 2012
KNX EIB TP-UART 2-IC
Technical Manual pages 42 Siemens AG
Infrastructure and Cities Sector,
Building Technologies
page 6 © Siemens AG 2012 Control Products and Systems
Subject to change without further notice. P. O. Box 10 09 53,
D-93009 Regensburg
2 The ANALOG – PART
2.1 Package and Pin Definitions
2.1.1 Package Pin Assignment
NC0
1
R20
2
V20
3
VDDH
4
VSSH
5
SVCC
6
VCC
7
25
X1
24
TSTOUT_TW
23
TxD
22
21
20
R
x
IN
19
VSP
10 11
IND
12 13
B
Y
P
14
V
B
15
T
x
O
16
V
D
P
34 33 32 31 30 29 28
S
T
x
O
8
9
17 18
26
27
35 36
T
S
T
IN
_
B
D
S
T
E
S
T
M
O
D
E
M
O
D
E
0
M
O
D
E
1
M
O
D
E
2
M
O
D
E
3
C
T
M
D
IV
X2
V20PD
NC2
NC3
V
B
V
IF
S
A
V
E
RxD
RESn
V
B
+
Figure 1 Package Pin Assignment
2.1.2 PIN DESCRIPTION
Pin Pin Name Pin
Type
Positive supply Negative
supply
Notes
1 NC0 AIO VB+ VB- Used during chip test mode
2 R20 AIO VDP VB- External resistor to VB- sets V20 max
current
3 V20 AIO 50V Clamp to
VB-
VB- Internally generated 20V power supply
4 VSP AIO 50V Clamp to
VB-
VB- Intermediate voltage blocking capacitor
5 VSSH AIO VSP VB- SMPS control