User`s manual
User’s Manual 23
Header J1
23 GND
24 +3.3 V_IN
25 PG7 Input/Output RXE
Serial Port E
26 PG6 Input/Output TXE
27 PG5 Input/Output RCLKE Serial Clock E input
28 PG4 Input/Output TCLKE Serial Clock E output
29 /IORD Input External read strobe
30 STATUS Output (Status) Output
31 SMODE1
(SMODE1, SMODE0)
(0,0)—start executing at address zero
(0,1)—cold boot from slave port
(1,0)—cold boot from clocked Serial Port A
SMODE0 =1, SMODE1 = 1
Cold boot from asynchronous Serial Port A at
2400 bps (programming cable connected)
Programming port
32 /IOWR Output External write strobe
33 /RES Reset output Reset input
Reset output from Reset
Generator
34 SMODE0
(SMODE1, SMODE0)
(0,0)—start executing at address zero
(0,1)—cold boot from slave port
(1,0)—cold boot from clocked Serial Port A
SMODE0 =1, SMODE1 = 1
Cold boot from asynchronous Serial Port A at
2400 bps (programming cable connected)
Programming port
Table 2. RCM3400 Pinout Configurations (continued)
Pin Pin Name Default Use Alternate Use Notes