552-4 - Brand New Keystone Electronics IC Chips
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DESCRIPTION
The 80C552/83C552 (hereafter generically referred to as 8XC552) Single-Chip 8-Bit Microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller
family. The 8XC552 has the same instruction set as the 80C51. Three versions of the derivative exist:•83C552—8 kbytes mask programmable ROM
•80C552—ROMless version of the 83C552
•87C552—8 kbytes EPROM (described in a separate chapter)The 8XC552 contains a non-volatile 8k ×8 read-only program memory (83C552), a volatile 256 ×8 read/write data memory, five 8-bit I/O ports, one 8-bit input port, two 16-bit timer/event counters
(identical to the timers of the 80C51), an additional 16-bit timer coupled to capture and compare latches, a 15-source, two-priority-level, nested interrupt structure, an 8-input ADC, a dual DAC pulse width modulated interface, two serial interfaces (UART and I2C-bus), a “watchdog” timer and on-chip oscillator and timing circuits. For systems that require extra capability, the 8XC552 can
be expanded using standard TTL compatible memories and logic.FEATURES
•80C51 central processing unit
•8k ×8 ROM expandable externally to 64 kbytes
•ROM code protection
•An additional 16-bit timer/counter coupled to four capture registers and three compare registers
•Two standard 16-bit timer/counters
•256 ×8 RAM, expandable externally to 64 kbytes
•Capable of producing eight synchronized, timed outputs
•A 10-bit ADC with eight multiplexed analog inputs
•Two 8-bit resolution, pulse width modulation outputs
•Five 8-bit I/O ports plus one 8-bit input port shared with analog inputs
•I2C-bus serial I/O port with byte oriented master and slave functions
•Full-duplex UART compatible with the standard 80C51
•On-chip watchdog timer
•Three speed ranges:
–3.5 to 16 MHz
–3.5 to 24 MHz (ROM, ROMless only)
•Three operating ambient temperature ranges:
–P83C552xBx: 0°C to +70°C
–P83C552xFx: –40°C to +85°C
(XTAL frequency max. 24 MHz)
–P83C552xHx: –40°C to +125°C
(XTAL frequency max. 16 MHz) -
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Datasheet
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- Datasheet: Download 552-4
- Chipdatas Part: CD87-552-4
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- Last Updated: 2024/10/01 15:57 +0800
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