20-101-1258 Rabbit Semiconductor, 20-101-1258 Datasheet - Page 22
20-101-1258
Manufacturer Part Number
20-101-1258
Description
COMPUTER SINGLE-BOARD BL4S160
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-1258.pdf
(144 pages)
Specifications of 20-101-1258
Module/board Type
Single Board Computer Module
Product
Modules
Processor Type
Rabbit 4000
Sram
1 MB
Flash
2 MB
Timers
8 bit, 10 bit
Number Of I/os
20
Backup Battery
3 V Lithium Coin Type
Operating Voltage
9 V to 36 V
Board Size
96 mm x 146 mm x 16 mm
Description/function
Computer Module
For Use With/related Products
BL4S160
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1171
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Individual digital input channels may be also used for counters, synching, interrupts, input
capture, or as quadrature decoder inputs. The use of these channels for interrupts, input
capture, and as quadrature decoders is described below.
Blocks of digital input pins are associated with counters/timers on the Rabbit RIO chip.
Table 3 provides complete details for these associations.
Appendix D provides further details on the blocks and pins associated with the Rabbit
RIO chip to facilitate configuring each block consistently and to identify misconfigured
pins when a software function call returns a Mode Conflict error code.
BL4S100 User’s Manual
The actual switching threshold is approximately
1.40 V. Anything below this value is a logic 0,
and anything above 1.90 V is a logic 1. The
digital inputs are each fully protected over a
range of -36 V to +36 V, and can handle short
spikes of ±40 V.
NOTE: If the inputs are pulled up to +K, the
voltage range over which the digital inputs are
protected changes to +K – 36 V to +36 V.
Table 3. Counter/Timer Associations for BL4S100 Digital Input Pins
CAUTION: Do not allow the voltage on a digital input pin to exceed ±36 V to
avoid damaging the input.
Configurable I/O
IN0–IN2
IN3–IN5
IN6–IN7
IN8–IN9
Pin(s)
IN10
IN11
Counter/Timer
Blocks
0
1
2
3
6
7
Figure 7. BL4S100 Digital Input
XBee RF module
Block Shared
OUT0–OUT1
OUT2–OUT3
Protected Range
With
—
—
—
20
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