Motorola PPC/PMC-8260/DS1, Reference Manual, Page: 56 / 150

Indicators and Connectors
3 - 4 PPC/PMC-8260/DS1
Connectors
The front panel of the H110_F and SC-F variant provides one serial connector and
two line interface connectors.
Serial Connector
The PMC-8260/DS1-H110-F and PMC-8260/DS1-SC-F variants offer a serial
interface on the front panel. The following connector pinout may be useful to give
information on which signal is assigned to which pin.
9
8
7
6
5
4
3
2
1
5
9
1
6
GND
N.C.
TXD
RXD
N.C.
GND
N.C.
N.C.
N.C.
Figure 5: Front Panel Serial I/O Port Connector Pinout
The following table shows the availability of serial I/O channels.
Table 8: Availablility of Serial I/O Channels
I/O Channel MicroD-Sub on Front Pan-
el PMC User I/O SMD JTAG/De-
bug (P4)
PowerQUICC II
SCC_1 (UART) RS-232
(only on H110-F and SC-F
variants)
RS-232
(assembly option)
-
PowerQUICC II
SMC_1 (UART) - - RS-232
PowerQUICC II
SCC_2 (ETH) SCC2-Ethernet mode
(assembly option instead of
RS-232)
Needs external 10BaseT-
PHY - -
PowerQUICC II
SCC_3 (HDLC) Only available on board and used for CT-Bus Management Bus (CT_MC)
SCC3 is clocked by T8105 clock output L_SC<0>=T8105_MC_CLK
signal=2.048 MHz
PowerQUICC II
SCC_4 and
SMC_2
SCC_4 and SMC_2 are not connected to any external devices.