Remote Processing RPC-2300 - Manual (Page 33)

TECHNICAL INFORMATION
RPC-2300 Page 31
ELECTRICAL
CPU
64180, 9.216 M hz clock
Memory
CAMBASIC II, 32K ROM
Program ming and data is 128K RAM standard, 512K
Optional.
Program is 32K EPROM (U3)
Memory speeds are 80 ns or faster
D i gi ta l I / O
The SBS-2300 has 48 digital I/O lines. 24 are from J2,
which is a general purpose port. The other 24 are from
J3. J3 has 8 high current outputs, w hich may be
jumpered for inputs. The keypad port, J5, uses 8 of the
24 lines. All ports use an 82C55 for interfacing.
The specifications below are for all digital I/O except for
the eight high current lines at J3.
Drive curr ent 2.5 ma m aximum per line,
sink or source. TTL
compatible.
Output low voltage 0.45V m ax at 2.5 mA , 1V
max at 15 mA for opto rack.
Output high v olts 2.4V m inimum, sink or source
at rated cu rren t.
All digital input lines are TTL compatible.
High cu rrent ou tput at J3
8 of the 24 lines can drive up to 500 ma at 50V. Refer
to CHAPTER 6, D IGITAL AND OPTO PORTS for
limitations.
Keypad input
10 lines accept a 16 position matrix keypad. Scanning
and debounce performe d in CAM BASIC II.
Serial ports
Two RS-232D serial ports. All have RxD , TxD , and
CTS lines. COM 1 has only these lines. COM2 also has
an RTS line. Ba ud rates fr om 600 to 3 8.4 K, 7 or 8 data
bits, par ity even, odd , or none, 1 or 2 stop bits.
EPROM and programmer
Accepts 29C256 or equivalent EPROM.
Size:32K
Speed:120ns or faster.
Watchdog timer, reset
Watch dog timer resets card for 150 ms minimum when
enabled. Push button reset included.
Power requireme nts
+ 5VDC ±5% at 300 ma.
RS-232 voltages generated on card.
Current consumption does not include any opto-modules
or other acc essories.
MECHANICAL
Size: 4.5" x 8.0"
Maximum height: 0.675" , no cables installed.
Mounting holes: 4 each corner. Hole size is 0.156" dia.
See drawing.
MEMORY AND I/O MAP
Memory
Description Address
CAM BASIC II U 1 & 0 00 0 0 - & 07 F F F
R A M , U 2 128K & 0 80 0 0 - & 1F F F F
512K & 0 80 0 0 - & 7F F F F
I / O
Description Address
J2 Digital &0000 - &0003
J3 Digital &0040 - &0043
Keypad &0040 - &0043
Watchdog &00E4 - &00E4
Watchdog timer reset &00E8 - &00E8
Internal processor &008 0 - &00 BF
D A C 0 & 0 0 C 0 - & 0 0C F
D A C 1 & 0 0 D 0 - & 0 0D F
P r o gr a m fl a sh E P R OM U 3 & 0 30 0 - & 7 F F F
Only I/O addr ess &8000 to &FF FF ar e available off
card. No mem ory addresses are available off card.