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G65SC816

Part Number	G65SC816
Manufacturer	CALIFORNIA MICRO DEVICES
Description	CMOS 8/16-BIT MICROPROCESSOR
Published	Oct 30, 2019
Detailed Description	CALIFORNIA MICRO DEVICES G65SC816 CMOS 8/16-BIT MICROPROCESSOR FAMILY Features Advanced CMOS design for low power c...
Datasheet	G65SC816 PDF File

Overview

CALIFORNIA MICRO DEVICES G65SC816 CMOS 8/16-BIT MICROPROCESSOR FAMILY Features Advanced CMOS design for low power consumption and increased noise immunity Emulation mode for total software compatibility with 6502 designs Full 16-bit ALU, Accumulator, Stack Pointer, and Index Registers Direct register for zero page addressing 24 addressing modes (including 13 original 6502 modes) Wait for Interrupt (WAI) and Stop the Clock (STP) instructions for reduced power consumption and decreased interrupt latency 91 instructions with 255 opcodes Co-Processor (COP) instruction and associated vector Powerful Block Move instructions Full 16-bit operation with 24 address lines for the 16 MByte memory Program selectable 8-bit mode for 6502 coding compatibility Valid Program Address (VPA) and Valid Data Address (VDA) outputs for dual cache and DMA cycle steal implementation Vector Pull (VP) output indicates when interrupt vectors are being fetched.
May be used for vectoring/prioritizing interrupts Abort interrupt and associated vector for interrupting any instruction without modifying internal registers Memory Lock (ML) for multiprocessor system implementation 40-pin DIP, 44-pin PLCC Contact factory for complete data sheet.
Product Description The G65SC816 is an advanced CMOS 16-bit microprocessor featuring total software compatibility with 8-bit NMOS and CMOS 6500 series microprocessors.
The G65SC816 provides 24 address lines for 16 Mbyte addressing, while providing both 8-bit and 16-bit operation.
This microprocessor contains an Emulation (E) mode for emulating 8-bit NMOS and CMOS 6500 Series microprocessors.
A software switch determines whether the processor is in the 8-bit emulation mode or in the native 16-bit mode.
This allows existing 8-bit system designs to use the many powerful features of the G65SC816.
Block Diagram 16-BIT INTERNAL DATA BUS RES NMI IRQ ABORT A0 A15 D0/BA0-D7/BA7 ADDRESS BUFFER INDEX X & Y STACK POINTER REGS (16) ALU...

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