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十速嶄新推出TM52M5254/M5258~高效率型8051系列
2014/04/11
TM52M5254/M5258整合了高效率的F51內核，搭配精準的12-bit A/D轉換器，以及低功耗時鐘與LCD顯示功能， TM52M5254非常適合用於家電產品應用上，如：電飯煲、電磁爐、保溫瓶、咖啡機...等等AC家電產品，在規格上符合工規-40℃~ 85℃工作温度與高抗干擾 EFT/ESD之性能要求，適合應用在各種AC電源產品領域。 TM52M5254/M5258是使用十速F51 CPU Core，相較傳統的 8051芯片；整體運行速度更快更有效率，TM52 M5254/M5258保留了標準8051 大部份特性，程式記憶體提供4 K Bytes MTP 多重燒錄記憶體空間，並提供ICP 燒錄存儲功能，開發者可直接將資料存儲於MTP程式記憶體中，而在內存記憶體IRAM 提供256 Bytes存儲空間，UART介面相容於標準8051， Timer0/1/2階為標準8051計時器。TM52 M5254/M5258內部提供雙頻率輸入FRC 7.3728 MHz 以及 SRC 80 KHz，外部也提供振盪器頻率輸入FXT 1~6 MHz或是SXT 32.768 KHz，由開發者自行選擇系統頻率，可在不同工作模式下（Fast/Slow/Idle/Stop），選擇不同的工作頻率，達到整體節電方式。TM52 M5254/M5258提供 2組 8+2的PWM數位輸出，而外部輸入提供10-ch輸入12-bit 的AD轉換器，另外TM52 M5258提供非常省電的Touch key觸控架構，是採用觸控硬件方式進行觸控偵測，因此觸控偵測速度非常快，偵測時整體功耗非常小，TM52 M5258 的觸控架構是高整合性IC，僅需極少的外部原件，就可提供最多14個 Touch key輸入。十速針對TM52M5254/M5258規劃出使用方便的USB開發工具（EV5254 Board），可直接使用EV-5254來做ICE在線調試，透過USB EV5254 Board即時模擬IC的狀態，可直接對記憶體存取與對暫存器的設定，提供程序調試的斷點與步進（STEP）可執行追蹤分析數據等等功能，提高程式開發效率以及除錯能力，非常適合快速進行產品開發。
BLOCK DIAGRAM
FEATURES Fast 8051CPU core : 1. Instruction set fully compatible with standard 8051 2. Instruction Execution Time executes instructions 6 times faster than the traditional 8051 core. 3. Operating clock . Programmable dual clock source . Fast Clock: - External XTAL: 1~ 6 MHz - FRC 7.3728MHz (Internal RC +/-3%) - Stop Fast clock control . Slow Clock: - External XTAL: 32.768 KHz - SRC 80 KHz . CPU Clock control : - Divided by 1~16 Selectable - Prescaler CLK/16,CLK/4,CLK/2,CLK/1 4. Internal Program Memory . 4Kx8 Multi-Time Program ROM (MTP) . Support ICP (In Circuit Programming) . Code Protection Capability 5. Internal Memory (standard 8051) . 256 bytes internal SRAM . Direct addressing between 00h~7Fh . Indirect addressing between 00h~FFh 6. Stack pointer (standard 8051) 7. Interrupt . 10 Sources, 4-level-priority Interrupt - External Interrupt 0 pin (INT0) - Timer0 Interrupt (TM0) - External Interrupt 1 pin (INT1) - Timer1 Interrupt (TM1) - UART Interrupt RX/TX - Timer2 Interrupt (TM2) - Timer3 Interrupt (TM3) - Port1 Pin Change Interrupt & wake-up - External Interrupt 2 pin (INT2) - ADC / Touch Key Interrupt 8. 12-bit A/D Converter Up to 10-channels for ADC Power Features 1. Operation Voltage . Low Voltage Reset Voltage to 5.5V . Operation Voltage 1.6 to 5.5V (LVR disable) 2. Operation Current . Fast mode - 5V@ 7.3728 MHz FRC, 2.3 mA typical . Idle mode ( IDL=1) - 3V@ 32.768 KHz SXT, 3.3 uA typical . STOP mode (standard 8051’s PD=1) - 3V@ 0.1 uA typical - Wake-up by Port 1 change or INT0~2 3. H/W Reset . External active low reset (RSTN) . Build-in Power-On Reset (POR) . Low Voltage Reset (LVR) 1.9V/2.3V/2.9V . Low Voltage Detection Flag (LVD) - under 2.3V flag active high . Watchdog Reset (WDT) Peripheral Features 1. I/O Port : . Maximum 18 programmable I/O pins . Pseudo-Open-Drain Output (P.O.D.) . Open-Drain Output (O.D.) . CMOS Push-Pull Output (P.P.) . Schmitt Trigger Input . Input Pull-up register control 2. *Capacitive Touch Module ( M5258 only) . Up to 14-channels for Touch Key 3. Timers (8051 Standard) . 16-bits Timer0, with T0OUT pin . 16-bits Timer1 . 16-bits Timer2, with T2OUT pin . 15-bits Timer3 used for real time clock 32.768 KHz Interrupt / Wake-up 4. PWMs . Two independent "8+2" PWM with prescaler / period-adjustment 5. Watchdog Timer . Independent RC Oscillating . 400mS / 200mS / 100mS / 50mS Selectable WDT Timeout option

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