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80C652; 83C652
General description
The P80C652/83C652 Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 80C652/83C652 has the same instruction set as the 80C51. Three versions of the derivative exist:
83C652 - 8k bytes mask programmable ROM
80C652 - ROMless version
87C652 - EPROM version (described in a separate chapter)
This device provides architectural enhancements that make it applicable in a variety of applications for general control systems. The 8XC652 contains a non-volatile 8k ? 8 read-only program memory, a volatile 256 ? 8 read/write data memory, four 8-bit I/O ports, two 16-bit timer/event counters (identical to the timers of the 80C51), a multi-source, two-priority-level, nested interrupt structure, an I2C interface, UART and on-chip oscillator and timing circuits. For systems that require extra capability, the 8XC652 can be expanded using standard TTL compatible memories and logic.
The device also functions as an arithmetic processor having facilities for both binary and BCD arithmetic plus bit-handling capabilities. The instruction set consists of over 100 instructions: 49 one-byte, 45 two-byte and 17 three-byte. With a 16(24)MHz crystal, 58% of the instructions are executed in 0.75(0.5)µs and 40% in 1.5(1)µs. Multiply and divide instructions require 3(2)µs.
Features
- 80C51 central processing unit
- 8k ? 8 ROM expandable externally to 64k bytes
- 256 ? 8 RAM, expandable externally to 64k bytes
- Two standard 16-bit timer/counters
- Four 8-bit I/O ports
- I2C-bus serial I/O port with byte oriented master and slave functions
- Full-duplex UART facilities
- Power control modes
- Idle mode
- Power-down mode - ROM code protection
- Extended frequency range: 3.5 to 24 MHz
- Three operating ambient temperature ranges:
0 to +70°C
-40 to +85°C
-40 to +125°C
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| P80C652EBA/04 | P80C652EBAA | 9352 632 39512 | Volume production | SOT187-2
(PLCC44) | Tube Dry Pack | Standard Marking | P80C652EBA/04
| week 2, 2005 |
Products in the above table are all in production. Some variants are discontinued; click here for information on these variants.
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| P80C652EBA/04 | 9352 632 39512 | 5.2100 | NA | DIGI-KEY CORPORATION | 836 | 6/29/2008 | Buy online | Order samples |
| NA | ARROW ELECTRONICS | 483 | 7/4/2008 | Buy online | ||||
| NA | AVNET ELECTRONICS MARKETING | 30 | 7/4/2008 | Buy online |
Applications
Related applications
Digital media adapters
LCD display - discretes focus
PDA - discretes focus
HID
Projector
Intelligent washing machine
Transceiver board
Power amplifier board
Main CPU board
Walkie-talkie - MMS functionality
LCD TV - MMS functionality
Color mixing for RGBA LEDs
Technical documents
Application Notes
AN10289_1;
LPC900 external crystal start-up (27-Apr-04)
AN95127_1;
8xC652/654 SNERT bus specification (31-Jan-96)
Support Documents
li_ion_battery_charger;
Li-ion Battery charger (17-Dec-04)
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