Rabbit RabbitCore RCM3100 User Manual page 29

Distributor of Digi International: Excellent Integrated System Limited
Datasheet of 101-0533 - KIT DEV RABBIT3000/RCM3100
Contact us: sales@integrated-circuit.com Website: www.integrated-circuit.com
Table 2. RCM3100 Pinout Configurations (continued)
Pin Pin Name
20 PG7
21 PG6
22 PG5
23 PG4
24 /IOWR
25 /IORD
SMODE0,
26–27
SMODE1
28 /RESET_IN
29 VRAM
30 VBAT_EXT
31 +3.3V
32 GND
33 n.c.
34 GND
22
Default Use
Input/Output RXE
Input/Output TXE
Input/Output RCLKE
Input/Output TCLKE
Output
Input
(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)
Input
Output
3 V battery Input
Input
Alternate Use
Serial Port E
Serial Clock E input
Serial Clock E ouput
External write strobe
External read strobe
Also connected to
programming cable
Input to Reset Generator
Maximum Current Draw
15 µA
Minimum battery
voltage 2.8 V
3.15–3.45 V DC
RabbitCore RCM3100
Notes