3-9
connected, the board needs ex5 Volts regulated supply. If pins 2 and 3 are connected, then a DC
supply of +7.5 to +12 volts may be used. In either case, the power may be connected to the board through
J3 (2.1mm power jack) or the J4 two-contact lever actuated terminal block. On J3 the center pin (pin 1) is
the plus supply and the body (pin 3) is the ground. On J4 the pin 1 is the plus supply and pin 2 is the
ground. Tables 3.4 and 3.5 show the Pin assignment for J3 and J4.
TABLE 3.4. The J3 Connector pin assignment.
PIN NUMBER
SIGNAL NAME
1 (center pin)
Plus Supply
2 (body)
Ground
TABLE 3.5. The J4 Connector pin assignment.
PIN NUMBER
SIGNAL NAME
1
Plus Supply
2
Ground
TABLE 3.6. The Jumper JP1.
Jumper Pins
Selection
1 to 2
reg5 Volts
2 to 3
+7.5 to +12 DC regulated or unregulated
3.7.4 The Terminal Connector J5
The SBC5206 uses a 9-pin D-sub female connector J5 for connecting the board to a terminal or a PC with
terminal emulation software. The available signals are a working subset of the RS-232C standard. Table
3.7 shows the pin assignment.
TABLE 3.7. The J5 (TERMINAL) Connector pin assignment.
PIN NO.
DIRECTION
SIGNAL NAME
1
Output
Data Carrier Detect (shorted to 4 & 6)
2
Output
Receive data
3
Input
Transmit data
4
Input
Data Terminal Ready (shorted to 1 & 6)
5
Signal Ground
6
Output
Data Set Ready (shorted to 1 & 4)
7
Input
Request to Send (shorted to 8)
8
Output
Clear to Send (shorted to 7)
9
Not Used
3.7.5 The Auxiliary Serial Communication Connector J6
The MCF5206 has two built-in UART’s. These channels are not used by the SBC5206 dBUG and they
are available to the user. The signals of these channels are available on J7. The signals on UART1 are
also run trough RS-232 driver/receivers and are available on J6. The available signals form a working
subset of the RS-232C standard. Table 3.8 shows the pin assignment for J6.
TABLE 3.8. The J6 Connector pin assignment.