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SN8F2270B Datasheet(PDF) 7 Page - SONiX Technology Company |
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SN8F2270B Datasheet(HTML) 7 Page - SONiX Technology Company |
7 / 111 page SN8F2270B Series USB 2.0 Low-Speed 8-Bit Micro-Controller SONiX TECHNOLOGY CO., LTD Page 7 Version 1.2 1 PRODUCT OVERVIEW 1.1 FEATURES Features Selection Table TIMER CHIP ROM RAM STACK T0 TC0 SIO PWM WAKE-UP PIN NO. I/O pin PACKAGE SN8F2271B 5K*16 192*8 8 V V V - 7 10 QFN SN8F22711B 5K*16 192*8 8 V V - V 7 8 SOP SN8F22721B 5K*16 192*8 8 V V V V 10 14 DIP/SOP/SSOP ♦ Memory configuration ♦ 7 interrupt sources. Flash ROM size : 5K x 16 bits, including in system programming function and EEPROM enumeration. 20000 erase/write cycles. Five internal interrupts: T0, TC0, USB, SPI, Wakeup RAM size : 192 x 8 bits. Two external interrupt: INT0, INT1. ♦ 8 levels stack buffer ♦ One SIO function for data transfer ♦ I/O pin configuration ♦ Two 8 bits timer counter (T0, TC0) Bi-directional: P0, P1, P5 TC0 has 8 bit PWM function (duty/cycle programmable). Wake-up: P0/P1 level change. Pull-up resistors: P0, P1, P5. ♦ Two system clocks. External interrupt: P0.0, P0.1 controlled by PEDGE. Internal low clock: RC type 24KHz which Fosc = 24KHz. Internal High clock: Fosc = 6MHz. ♦ Low Speed USB 2.0 Conforms to USB specification, Version 2.0. ♦ Four operating modes. 3.3V regulator output for USB D- pin internal Normal mode: Both high and low clocks active. 1.5k ohm pull-up resistor. Slow mode: Low clock only. Integrated USB transceiver. Sleep: Both high and low clocks stop. Supports 1 low speed USB device address, Green mode: Periodical wakeup by timer. 1 control endpoint 2 interrupt IN/OUT endpoints, each has 8 bytes ♦ Package FIFO SOP14, QFN16, SOP20, SSOP20, DIP20 ♦ Powerful instructions ♦ On chip watchdog timer. One clocks per instruction cycle (1T) Most of instructions are one cycle only. ♦ In-system re-programmability All ROM area JMP instruction. Allows easy firmware update All ROM area CALL address instruction. All ROM area lookup table function (MOVC) |
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