101-1158 Rabbit Semiconductor, 101-1158 Datasheet - Page 36
101-1158
Manufacturer Part Number
101-1158
Description
KIT DEVELOPMENT INT'L RCM4100
Manufacturer
Rabbit Semiconductor
Series
RabbitCore 4000r
Type
MPU Moduler
Datasheet
1.20-101-1093.pdf
(112 pages)
Specifications of 101-1158
Contents
RabbitCore Module, Dev. Board, AC Adapter, Cable and Dynamic C® CD-Rom
Processor To Be Evaluated
Rabbit 4002
Data Bus Width
8 bit
Interface Type
SPI
For Use With/related Products
RCM4100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4.1.1 Memory I/O Interface
The Rabbit 4000 address lines (A0–A19) and all the data lines (D0–D7) are routed inter-
nally to the onboard flash memory and SRAM chips. I/0 write (/IOWR) and I/0 read
(/IORD) are available for interfacing to external devices.
Parallel Port A can also be used as an external I/O data bus to isolate external I/O from the
main data bus. Parallel Port B pins PB2–PB7 can also be used as an auxiliary address bus.
When using the auxiliary I/O bus for any reason, you must add the following line at the
beginning of your program.
Selected pins on Parallel Ports D and E as specified in Table 2 may be used for input
capture, quadrature decoder, DMA, and pulse-width modulator purposes.
4.1.2 Other Inputs and Outputs
The status and the two SMODE pins, SMODE0 and SMODE1, can be brought out to
header J2 instead of PE5–PE7 as explained in Appendix A.5.
/RESET_IN is normally associated with the programming port, but may be used as an
external input to reset the Rabbit 4000 microprocessor and the module memory.
/RESET_OUT is an output from the reset circuitry that can be used to reset other
peripheral devices.
32
40–47
48
49
50
Pin
#define PORTA_AUX_IO
LN[0:7]
CONVERT/n.c. Digital Input
VREF/n.c.
GND
Pin Name
Table 2. RCM4100 Series Pinout Configurations (continued)
Analog Input
Analog reference
voltage
Ground
Default Use
// required to enable auxiliary I/O bus
Alternate Use
A/D converter
(RCM4100 only)
1.15 V/2.048 V/2.500 V
on-chip ref. voltage
(RCM4100 only)
RabbitCore RCM4100
Notes
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