Technical Information • PCZ-NVM • CPU Expansion Side Card
FIO
As an option, the PCZ-NVM can be expanded by a small front panel I/O mezzanine module, the
C32-FIO. This requires a 12HP front panel in total (CPU carrier, PCZ-NVM, C32-FIO). The C32-FIO
provides additional COM-Ports and an USB 2.0 Type-A receptacle.
J-FIO is a 2mm pitch dual row socket on top of the PCZ-NVM, which connects to the C32-FIO by
means of a board stacker element. For a description of the C32-FIO mezzanine module refer to
www.ekf.com/c/ccpu/c32/c32_tie.pdf.
FIO • Secondary I/O Mezzanine Expansion Interface (COM - USB)
2.00mm Socket 2 x 22
(251.1.0222.10.09)
GND
1
2
+3.3VS 2)
SP4_RI#
3
4
SP4_DSR#
SP4_TXD
5
6
SP4_RXD
SP4_RTS#
7
8
SP4_DTR#
SP4_DCD#
9
10
SP4_CTS#
GND
11
12
+3.3VS 2)
SP3_RI#
13
14
SP3_DSR#
SP3_TXD
15
16
SP3_RXD
SP3_RTS#
17
18
SP3_DTR#
SP3_DCD#
19
20
SP3_CTS#
GND
21
22
+5VS 2)
USB_2N 1)
23
24
NC
USB_2P 1)
25
26
NC
USB_OC# 1)
27
28
RSVD
NC
29
30
NC
NC
31
32
NC
GND
33
34
+5VPS 2)
SP3_DRVSEL1
35
36
SP4_DRVSEL1
SP3_DRVSEL2
37
38
SP4_DRVSEL2
SP3_DRVSEL3
39
40
SP4_DRVSEL3
NC
41
42
NC
NC
43
44
NC
1)
passed from/to CPU carrier card mezzanine connector HSE1
2)
power voltages - please refer to the HSE1 connector table
The SP3/SP4 serial port signals (UART TTL-level) are wired to RS-232 transceivers on the C32-FIO.
For future mezzanines with RS-485 transceivers there are additional control signals
SP*_DRVSEL1-3 available, which would be required for PartyLine operation (half-duplex RS-485).
© EKF -27- ekf.com
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