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P89C51RD2FP規(guī)格書詳情
DESCRIPTION
The 89C51RB2/RC2/RD2 device contains a non-volatile 16kB/32kB/64kB Flash program memory that is both parallel programmable and serial In-System and In-Application Programmable. In-System Programming (ISP) allows the user to download new code while the microcontroller sits in the application. In-Application Programming (IAP) means that the microcontroller fetches new program code and reprograms itself while in the system. This allows for remote programming over a modem link. A default serial loader (boot loader) program in ROM allows serial In-System programming of the Flash memory via the UART without the need for a loader in the Flash code. For In-Application Programming, the user program erases and reprograms the Flash memory by use of standard routines contained in ROM. This device executes one machine cycle in 6 clock cycles, hence providing twice the speed of a conventional 80C51. An OTP configuration bit lets the user select conventional 12 clock timing if desired.
This device is a Single-Chip 8-Bit Microcontroller manufactured in advanced CMOS process and is a derivative of the 80C51 microcontroller family. The instruction set is 100 compatible with the 80C51 instruction set.
The device also has four 8-bit I/O ports, three 16-bit timer/event counters, a multi-source, four-priority-level, nested interrupt structure, an enhanced UART and on-chip oscillator and timing circuits.
The added features of the P89C51RB2/RC2/RD2 makes it a powerful microcontroller for applications that require pulse width modulation, high-speed I/O and up/down counting capabilities such as motor control.
FEATURES
? 80C51 Central Processing Unit
? On-chip Flash Program Memory with In-System Programming
(ISP) and In-Application Programming (IAP) capability
? Boot ROM contains low level Flash programming routines for downloading via the UART
? Can be programmed by the end-user application (IAP)
? 6 clocks per machine cycle operation (standard)
? 12 clocks per machine cycle operation (optional)
? Speed up to 20 MHz with 6 clock cycles per machine cycle
(40 MHz equivalent performance); up to 33 MHz with 12 clocks per machine cycle
? Fully static operation
? RAM expandable externally to 64 kB
? 4 level priority interrupt
? 8 interrupt sources
? Four 8-bit I/O ports
? Full-duplex enhanced UART
– Framing error detection
– Automatic address recognition
? Power control modes
– Clock can be stopped and resumed
– Idle mode
– Power down mode
? Programmable clock out
? Second DPTR register
? Asynchronous port reset
? Low EMI (inhibit ALE)
? Programmable Counter Array (PCA)
– PWM
– Capture/compare
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
PHI |
2447 |
PLCC |
100500 |
一級代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨,長期排單到貨 |
詢價 | ||
恩XP |
25+ |
25000 |
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開票! |
詢價 | |||
原裝 |
1923+ |
PLCC |
8900 |
公司庫存原裝低價格歡迎實單議價 |
詢價 | ||
恩XP |
23+ |
PLCC44 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 | ||
PH |
24+ |
PICC |
5989 |
公司原廠原裝現(xiàn)貨假一罰十!特價出售!強勢庫存! |
詢價 | ||
恩XP |
2016+ |
PLCC44 |
1000 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價 | ||
PHI |
23+ |
PLCC44 |
7000 |
絕對全新原裝!100%保質量特價!請放心訂購! |
詢價 | ||
PHI |
22+ |
0052 |
44336 |
原裝正品現(xiàn)貨 |
詢價 | ||
PHI |
23+ |
PLCC44 |
8890 |
價格優(yōu)勢/原裝現(xiàn)貨/客戶至上/歡迎廣大客戶來電查詢 |
詢價 | ||
ROHS |
PLCC |
6500 |
一級代理 原裝正品假一罰十價格優(yōu)勢長期供貨 |
詢價 |