IC-VRV Datasheet, PDF (3/12 Pages) IC-Haus GmbH – BIDIRECTIONAL μP INTERFACE TO 24V

iC-VRV
BIDIRECTIONAL µP INTERFACE TO 24V
PACKAGES PLCC44 to JEDEC Standard
PIN CONFIGURATION PLCC44
(top view)
Rev A2, Page 3/12
PIN FUNCTIONS PLCC44
No. Name
1
D3
2
A0
3
A1
4
CSN
5
n.c.
6
WRN
7
RDN
8
RESN
9
BLFQ
10 CLK
11 INTN
12 GNDD
13 n.c.
14 n.c.
15 n.c.
16 GNDA
17 IO4
18 GND45
19 IO5
20 IO6
21 GND67
22 IO7
Function
B
I
I
I
I
I
I
I
I
O
B
B
B
B
Description
Bus Data Bit 3
Address
Address
Chip Select
Write Enable
Read Enable
Reset
Clock, flashing function
Clock, filter function
Interrupt Report
Digital Ground
Analog Ground
I/O Stage 4
Ground Stage 4+5
I/O Stage 5
I/O Stage 6
Ground Stage 6+7
I/O Stage 7
*: pin needs external wiring to Ground
x: pin should left open
Function: I = Input, O = Output, B = bidirectional
No.
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39(*)
40
41(*)
42
43
44(x)
Name
COM
IO0
GND01
IO1
IO2
GND23
IO3
VCCA
n.c.
n.c.
n.c.
VCCD
D4
D5
D6
D7
CTEST
D0
ENERR
D1
D2
CERR
Function
B
B
B
B
B
B
B
B
B
B
B
Description
Diodes, common cathode
I/O Stage 0
Ground Stage 0+1
I/O Stage 1
I/O Stage 2
Ground Stage 2+3
I/O Stage 3
+5 V Supply (analog section)
+5 V Supply (digital section)
Bus Data Bit 4
Bus Data Bit 5
Bus Data Bit 6
Bus Data Bit 7
Bus Data Bit 0
Bus Data Bit 1
Bus Data Bit 2