TECHNICAL INFORMATION SECTION 15
Page 15-2 RPC-320
MEMORY AND I/O BANK MAP
Memory
Description Address
RPBASIC-52, U4 0000H - 7FFFH
RAM, U5, 32K 00000H - 07FFFH
128K 00000H - 1FFFFH
512K 00000H - 7FFFFH
I/O Bank
RAM (U5) 0
EPROM (U6) 1
not used 2
Digital I/O (U11)(J3) 3
Display & keypad (U17) 4
Control & L0-L8 (U19) 5
Counter (U13) 6
not used 7
MECHANICAL SPECIFICATIONS
Size
4.6" x 7.0"
4 mounting holes are 0.250 x 0.250 inches from each
edge. Mounting holes are 0.124 inch in diameter.
Board thickness: 0.062
Board material: FR-4
JUMPER DESCRIPTIONS
A * after a jumper position indicates factory default is
jumpered.
Jumper Description
W1[1-2]* RAM size 32K, 128K
W1[2-3] RAM size 128K
W3[1-3],[2-4] 29C040 Flash
W3[3-5],[2-4] 29C010 Flash
W3[3-5],[4-6] 29C256 Flash
W2[1-3],[2-4] EPROM selected
W2[3-5],[4-6]* Flash EPROM selected
W4[1-2] COM1 RS-485 input
W4[2-3]* COM 1 RS-232 input
W5[1-2]* RS-485 terminator
W6[1-2]* RS-485 terminator
W7[1-2]* J3 resistors pulled up
W7[2-3] J3 resistors pulled down
W8[1-2] External or isolated interrupt
W8[3-4] Counter carry or borrow interrupt
W8[5-6] Counter carry interrupt
W8[7-8] Counter borrow interrupt
W9[1-2]* Do not autorun
W9[no jumper] Autorun on reset
W10[1-2] External reset input.
