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十速嶄新推出TM52F2280/F2284~低功耗省電型8051系列
2015/12/21
TM52F2280/F2284整合了低功耗的L51內核,結合精準時鐘校正架構與LCD顯示功能之外，再加上省電型觸控功能，非常適合用於電池供電的產品應用上，如LCD顯示的觸控遙控器、觸控手表、觸控計時器、觸控計算器、觸控密碼鎖保險箱...等等產品，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。 TM52F2280/F2284是使用十速L51 CPU Core，相較傳統的 8051芯片，整體功耗更低，運行速度更快更有效率， TM52F2280/F2284保留了標準8051 大部份特性，程式記憶體提供8 KBytes flash memory記憶體空間，並提供 ICP/ISP/IAP存儲功能，開發者可直接將資料存儲於Flash memory程式記憶體中，而在內存記憶體SRAM 提供512 Bytes存儲空間，UART介面相容於標準8051，並提供一組SPI介面，Timer0/1/2階為標準8051計時器，而在 Timer3 可使用32.768 KHz時鐘源，Timer3提供23-bit 計時器可進行長時間計數，能精準校正+/- 0.5 ppm ~ 61 ppm的校準範圍，提供開發者非常準確的時鐘源。 TM52F2280提供非常省電的Auto Touch key觸控架構，是採用觸控硬件中斷方式進行觸控中斷，當CPU進入Idle mode仍可進行觸控偵測，因此觸控偵測待機電流可以小於 1 uA，TM52F2280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15個 Touch key輸入，同時最多可提供4個Touch key wake-up (ATK)做輪詢偵測，另外內置Touch Key 標準砝碼功能，能偵對外部惡劣的環境下，提供Touch Key標準砝碼值，做為外部觸控點與內部觸控砝碼值校正使用，強化Touch key觸摸偵測的準確性，當外部觸控偵測到人手觸控動作時，會觸發硬件中斷喚醒CPU進行觸控偵測判斷，所以電池電壓在3V, Chip內部採取節電方式工作，CPU以Idle mode進行時鐘源32.768 KHz時，開啟 Auto Touch key輪詢偵測和LCD顯示時，最低功耗可達2 uA。 TM52F2280/F2284提供非常省電的LCD顯示架構，驅動能力上最多以8 COM* 23 SEG可選擇LCD點數，1 /3 ~ 1/8 duty占空比可供選擇，1/3 LCD Bias電壓，VL1=VLCD/3, VL2=VLCD2/3 電壓，在 32 KHz 的條件下，可選擇內部節電方式運行，以達到省電低功耗的特點，以電池電壓在3V，內部節電方式運行，LCD在開啟的狀況下，以 Idle mode 進行時鐘源32.768 KHz時，最低功耗可達1 uA，相同條件LCD 在關閉的狀況下，最低待機功耗可達0.7 uA，另外 TM52F2280/F2284還支持LED直推輸出，LED最多可支持4 COM 10 SEG 點輸出，每個COM腳位的輸出能力為40 mA，在電源控制部份，TM52F2280/F2284提供內置BandGap做電壓校準，同時提供Tiny current LDO穩壓輸出給芯片使用，並提供開發者自行選擇，在不同工作模式下（Fast/Slow/Idle/Stop），選擇不同的節電方式。十速針對TM52F2280/F2284規劃出使用方便的USB開發工具（EV2280 Board），可直接使用原IC（Real chip）來做ICE在線調試，透過USB EV2280 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。
FEATURES 1. Standard 8051 Instruction set, fast machine cycle . Executes instructions six times faster than the traditional 8051. 2. 8K Bytes Flash Program Memory . Support “In Circuit Programming” (ICP) or “In System Programming” (ISP) for the Flash code . Byte Write “In Application Programming” (IAP) mode is convenient as Data EEPROM access . Code Protection Capability 3. Total 512 Bytes SRAM (IRAM + XRAM) . 256 Bytes IRAM in the 8051 internal data memory area . 256 Bytes XRAM in the 8051 external data memory area (accessed by MOVX Instruction) 4. Five System Clock type Selections . Fast clock from Crystal (FXT, 1~8 MHz) . Fast clock from Internal RC (FRC, 7.3728 MHz @VBAT = 2.2V ~ 5.5V) . Fast clock from External RC (RFC) . Slow clock from Crystal (SXT, 32768Hz) . Slow clock from Internal RC (SRC, 80KHz @VDD = 3V, 40KHz @VDD = 1.5V) . System Clock can be divided by 1/2/4/8/16/32 option . System Clock output pin (TCO) for EL / IR application 5. 8051 Standard Timer – Timer0 / 1 / 2 . 16-bit Timer0, also supports RFC or SXT clock input counting . 16-bit Timer1, also supports T1O / T1B clock output for Buzzer / IR application . 16-bit Timer2, also supports T2O clock output for Buzzer / IR application 6. 23-bit Timer3 used for Real Time 32768Hz Crystal counting . ± 0.5 ppm ~ 61 ppm interrupt rate adjustable . MSB 8-bit overflow auto-reload . 0.25 sec, 0.5 sec, 1.0 sec or overflow Interrupt 7. 15-Channel Touch Key (F2280/80B only) . 1~4 Key H/W Auto Scan Mode (ATK), Sensitivity Adjustable for each Key . Interrupt / Wake-up CPU while Key Pressed 8. 6-bit ADC for low pin count key scan . Up to 100KHz conversion rate 9. Resistance to Frequency Converter (RFC) . RFC clock divided by 1/4/16/64 signal can be assigned as Timer0 event count input . RFC clock can be used as System clock source 10. 8051 Standard UART . One Wire UART option can be used for ISP or other application 11. SPI Interface . Master or Slave mode selectable . Programmable transmit bit rate . Serial clock phase and polarity options . MSB-first or LSB-first selectable 12. 11-Sources, 4-level priority Interrupt . Timer0 / Timer1 / Timer2 / Timer3 Interrupt . INT0 / INT1 Falling-Edge / Low-Level Interrupt . Port1 Pin Change Interrupt . UART TX/RX Interrupt . P2.7 (INT2) Interrupt . Touch Key Interrupt . SPI Interrupt 13. Pin Interrupt can Wake up CPU from Power-Down (Stop) mode . P3.2 / P3.3 (INT0 / INT1) Interrupt & Wake-up . P2.7 (INT2) Interrupt & Wake-up . Each Port1 pin can be defined as Interrupt & Wake-up pin (by pin change) 14. Max. 32 Programmable I/O pins . CMOS Output . Pseudo-Open-Drain, or Open-Drain Output . Schmitt Trigger Input . Pin Pull-up can be Enabled or Disabled 15. LCD Controller / Driver . 1/3 ~ 1/8 Duty . 3 ~ 8 COM and 10 ~ 27 SEG selectable . VLCD (VL3) = VBAT3/5 ~ VBAT5/5 (16 steps for Brightness adjustment) . 1/3 LCD Bias, VL1 = VLCD/3, VL2 = VLCD2/3 . Frame Rate: 40~90Hz 16. LED Controller / Driver . 1/3 ~ 1/4 Duty . Max. 4 COM x 10 SEG . 40 mA High Sink COM, Active Low . Active High or Active Low Segment output 17. BandGap Voltage Reference for Low Battery Detection (LBD) . Detect VBAT voltage level from 2.4V to 4.5V 18. Built-in tiny current LDO Regulator for chip internal power supply (VDD) . VDD voltage level can be set to 0.4VBAT ~ 0.66*VBAT in different mode 19. Watch Dog Timer based on System Clock . Running in Fast / Slow Mode, Stop counting in Idle / Stop Mode . 32K or 64K counts overflow Reset 20. Six types Reset . Power on Reset . Selectable External Pin Reset . Selectable Watch Dog Reset . Software Command Reset . Selectable Battery Low Voltage Reset #1 (LVR1, when VBAT < 1.6V) . Selectable Battery Low Voltage Reset #2 (LVR2, when VBAT < 2.4V ~ 4.5V) 21. 4 Power Operation Modes . Fast / Slow / Idle / Stop Mode 22. On-chip Debug / ICE interface . Use P1.2 / P1.3 pin, share with ICP programming pin 23. Operating Voltage and Current . VBAT = 2.0V ~ 5.5V . 1.1uA LCD Current @VBAT = 3V . 0.1uA LVR1 Current @VBAT = 3V . 1.1uA SXT/SRC and System Clock Current @VDD = 1.5V . 0.5uA Touch Key Current @VBAT = 3V . Total 2.8uA Idle mode Current with LCD on, LVR1 on and TK scan @VBAT = 3V, VDD = 1.5V 24. Operating Temperature Range . –40°C ~ +85°C 25. 48-pin LQFP Package F2280 / F2284 Features comparison table Features F2280 F2284 ================ ============ ============ Touch Key Yes n.a. IAP Write Control No IAPWE constrain Max. System Clock 6MHz, or FRC/2

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