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MG87FL52GP Datasheet(PDF) 1 Page - Megawin Technology Co., Ltd |
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MG87FL52GP Datasheet(HTML) 1 Page - Megawin Technology Co., Ltd |
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1 / 44 page  Megawin Technology Co., Ltd. MG87FE/L52 1.0 General Description MG87FE/L52 is a single-chip 8 bits microcontroller with the instruction sets fully compatible with industrial-standard 80C51 series microcontroller. 8K bytes flash memory and 256 bytes RAM has been embedded to provide wide field application. In-System-Programming and In-Application-Programming allow the users to download new code or data while the microcontroller sits in the application. This device executes one machine cycle in 6 clock or 12 clock cycles. MG87FE/L52 has four 8-bit I/O ports, one 4-bit I/O ports, three 16-bit timer/counters, an eight-source, four-priority-level interrupt structure, an enhanced UART, on-chip crystal oscillator. Excellent flash-endurance, flash-retention, and code-protecting security make MG87FE/L52 as an excellent micro-controller. 2.0 Features 80C51 Central Processing Unit 8KB On-Chip program memory for program ROM, ISP ROM & IAP zone. ISP capability; optional 0.5K/1KB/1.5K~3.5KB ISP memory shared with 8KB flash memory. IAP capability; program controlled IAP memory size shared with 8KB flash memory. On-Chip 256 bytes scratch-pad RAM. Also, the MCU can address up to 64K bytes external memory. MOVC-disabling, encrypting, and locking flash memory realize security mechanism. Three 16-bits timer/counter, Timer2 is an up/down counter with programmable clock output on P1.0 Eight sources, four-level-priority interrupt capability Enhanced UART, provides frame-error detection and hardware address-recognition Dual DPTR for fast-accessing of data memory 15 bits Watch-Dog-Timer with 8-bits pre-scaler, one-time enabled Low EMI: inhibits ALE emission Power control: Idle mode and Power-Down mode; Power-Down can be woken-up by P3.2/P3.3/P4.2/P4.3, Idle mode could be woken up by all interrupt sources. I/O port: 32+4 I/O ports : - PDIP-40 (MG87FE/L52AE or MG87FE/L52GE) has 32 I/O ports; Preliminary ver 1.3 Date: 2009-JAN-20 1 |
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