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SN8F22521B Datasheet(PDF) 7 Page - SONiX Technology Company |
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SN8F22521B Datasheet(HTML) 7 Page - SONiX Technology Company |
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7 / 133 page  SN8F2250B Series USB 2.0 Full-Speed 8-Bit Micro-Controller SONiX TECHNOLOGY CO., LTD Page 7 Version 1.1 1 PRODUCT OVERVIEW 1.1 FEATURES Features Selection Table TIMER CHIP ROM RAM STACK T0 T1 TC0 TC1 SIO PWM WAKE-UP PIN NO. I/O pin PACKAGE SN8F2251B 10K*16 512*8 8 V V V V V V 3 8 QFN SN8F22511B 10K*16 512*8 8 V V V V V V 3 8 SSOP SN8F22521B 10K*16 512*8 8 V V V V V V 5 12 SOP/SSOP SN8F2253B 10K*16 512*8 8 V V V V V V 7 16 SOP SN8F22531B 10K*16 512*8 8 V V V V V V 7 16 QFN SN8F2255B 10K*16 512*8 8 V V V V V V 13 24 LQFP ♦ Memory configuration ♦ 9 interrupt sources. Flash ROM size : 10K x 16 bits, including in system programming function. 20000 erase/write cycles. Seven internal interrupts: T0, T1, TC0, TC1, USB, SIO, Wakeup RAM size: 512 x 8 bits. Two external interrupt: INT0, INT1. ♦ 8 levels stack buffer ♦ One SIO function for data transfer (Serial Peripheral Interface) ♦ I/O pin configuration Bi-directional: P0, P1, P2, P5 ♦ One 16-bit timer counters. (T1) Wake-up: P0/P1 level change. Pull-up resistors: P0, P1, P2, P5. ♦ Three 8 bits timer counter (T0, TC0, TC1) External interrupt: P0.0, P0.1 controlled by PEDGE. TC0, TC1. Each has 8 bit PWM function (duty/cycle programmable). ♦ Full Speed USB 2.0 ♦ Two system clocks. Conforms to USB specification, Version 2.0. Internal low clock: RC type 24KHz which Fosc = 24KHz. 3.3V regulator output for USB D+ pin internal External X’tal: 6MHz/12MHz/16MHz X’tal which the Fosc will be 12MHz. 1.5k ohm pull-up resistor. Integrated USB transceiver. ♦ Four operating modes. Supports 1 Full speed USB device address, Normal mode: Both high and low clocks active. 1 control endpoint Slow mode: Low clock only. 3 interrupt IN/OUT endpoints, each has 16 bytes Sleep: Both high and low clocks stop. FIFO Green mode: Periodical wakeup by timer. ♦ Powerful instructions ♦ Package One clocks per instruction cycle (1T) QFN16, SSOP16,SOP20, SSOP20, SOP24, QFN24, Most of instructions are one cycle only. LQFP32 All ROM area JMP instruction. All ROM area CALL address instruction. ♦ On chip watchdog timer. All ROM area lookup table function (MOVC) ♦ In-system re-programmability Allows easy firmware update |
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