MAXIM DS80C310 User Manual

N
f
g
r
19-4859; Rev 8/09
www.maxim-ic.com
DS80C310
High-Speed Microcontrolle
GENERAL DESCRIPTION
The DS80C310 is pin compatible with the standard 80C32 and includes standard resources such as three timer/counters, 256 bytes of RAM, and a serial port. It also provides dual data pointers (DPTRs) to speed block data memory moves. It also can adjust the speed of MOVX data memory access between two and nine machine cycles for flexibility in selecting external memory and peripherals. The DS80C310 offers upward compatibility with the DS80C320.
FEATURES
80C32 Compatible
8051 Pin and Instruction Set Compatible Full-Duplex Serial Port Three 16-Bit Timer/Counters 256 Bytes Scratchpad RAM Multiplexed Address/Data Bus Addresses 64kB ROM and 64kB RAM
High-Speed Architecture
4 Clocks/Machine Cycle (8051 = 12) Runs DC to 25MHz Clock Rates Single-Cycle Instruction in 160ns Dual Data Pointer Optional Variable Length MOVX to Access Fast/Slow RAM /Peripherals
10 Total Interrupt Sources with 6 External Internal Power-On Reset Circuit Upwardly Compatible with the DS80C320 Available in 40-Pin Plastic DIP, 44-Pin PLCC,
and 44-Pin TQFP
PIN CONFIGURATIONS
TOP VIEW
ote: Designers must have two documents to fully use all the features
of this device: this data sheet and the High-Speed Microcontroller User’s Guide, available on our website at
ic.com/microcontrollers. Data sheets contain pin descriptions,
eature overviews, and electrical specifications, whereas the user’s
uide contains detailed information about device features and
operation.
www.maxim-
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata
1 of 22
.
Loading...