UMC UM6502
The UM6502/UM6507/UM6512 microprocessors are totally software compatible with one another. These products provide a selection of addressable memory range, interrupt input options and on-chip clock oscillators and drivers. The UM6502/UM6507 on-chip clock versions are aimed at high performance, low cost applications where single Pin Configuration • Addressable memory range of up to 64K bytes • "Ready" input • Direct memory access capabilitv • Bus compatible with MC6800 • Choice of external or on-board clocks • 1MHz, 2MHz, 3MHz and 4MHl versionsFEATURES
● Single 5V ± 5% power supply● N channel, silicon gate, depletion load technology
● 56 instructions
● Decimal and binary arithmetic
● Thirteen addressing modes
● True indexing capability
● Programmable stack pointer
● Variable length stack
● Interrupt capability
● Non-maskable interrupt
● Bi-directional data bus
GENERAL DESCRIPTION