SN8F2270B Series
USB 2.0 Low-Speed 8-Bit Micro-Controller
8.3.4 TC0R AUTO-LOAD REGISTER ..................................................................................................... 75
8.3.5 TC0 CLOCK FREQUENCY OUTPUT (BUZZER) ......................................................................... 76
8.3.6 TC0 TIMER OPERATION SEQUENCE ......................................................................................... 77
8.4 PWM0 MODE ........................................................................................................................................ 78
8.4.1 OVERVIEW ..................................................................................................................................... 78
8.4.2 TCxIRQ and PWM Duty.................................................................................................................. 79
8.4.3 PWM Duty with TCxR Changing..................................................................................................... 80
8.4.4 PWM PROGRAM EXAMPLE ......................................................................................................... 81
9
UNIVERSAL SERIAL BUS (USB) ...................................................................................................... 82
9.1 OVERVIEW........................................................................................................................................... 82
9.2 USB MACHINE ..................................................................................................................................... 82
9.3 USB INTERRUPT.................................................................................................................................. 82
9.4 USB ENUMERATION .......................................................................................................................... 83
9.5 USB REGISTERS .................................................................................................................................. 84
9.5.1 USB DEVICE ADDRESS REGISTER ............................................................................................. 84
9.5.2 USB STATUS REGISTER................................................................................................................ 84
9.5.3 USB DATA COUNT REGISTER ..................................................................................................... 85
9.5.4 USB ENABLE CONTROL REGISTER............................................................................................ 85
9.5.5 USB endpoint’s ACK handshaking flag REGISTER ....................................................................... 85
9.5.6 USB endpoint’s NAK handshaking flag REGISTER ....................................................................... 86
9.5.7 USB ENDPOINT 0 ENABLE REGISTER ....................................................................................... 86
9.5.8 USB ENDPOINT 1 ENABLE REGISTER ....................................................................................... 87
9.5.9 USB ENDPOINT 2 ENABLE REGISTER ....................................................................................... 87
9.5.10 USB DATA POINTER REGISTER ................................................................................................ 88
9.5.11 USB DATA READ/WRITE REGISTER ......................................................................................... 88
9.5.12 USB ENDPOINT OUT TOKEN DATA BYTES COUNTER.......................................................... 88
9.5.13 UPID REGISTER .......................................................................................................................... 89
9.5.14 ENDPOINT TOGGLE BIT CONTROL REGISTER...................................................................... 89
10
11
SERIAL INPUT/OUTPUT TRANSCEIVER.................................................................................. 90
10.1 OVERVIEW......................................................................................................................................... 90
10.2 SIOM MODE REGISTER.................................................................................................................... 93
10.3 SIOB DATA BUFFER ......................................................................................................................... 94
10.4 SIOR REGISTER DESCRIPTION....................................................................................................... 94
FLASH................................................................................................................................................. 95
11.1 OVERVIEW......................................................................................................................................... 95
11.2 FLASH PROGRAMMING/ERASE CONTROL REGISTER ............................................................. 95
11.3 PROGRAMMING/ERASE ADDRESS REGISTER ........................................................................... 96
11.4 PROGRAMMING/ERASE DATA REGISTER .................................................................................. 97
11.4.1 FLASH IN-SYSTEM-PROGRAMMING MAPPING ADDRESS ....................................................................... 97
12
13
INSTRUCTION TABLE ................................................................................................................... 98
DEVELOPMENT TOOL .................................................................................................................. 99
13.1 ICE (IN CIRCUIT EMULATION)........................................................................................................... 99
13.2 SN8F2270B EV-KIT ....................................................................................................................... 100
13.3 SN8F2270B TRANSITION BOARD ................................................................................................... 101
14
ELECTRICAL CHARACTERISTIC............................................................................................ 102
14.1 ABSOLUTE MAXIMUM RATING.............................................................................................. 102
14.2 ELECTRICAL CHARACTERISTIC............................................................................................. 102
SONiX TECHNOLOGY CO., LTD
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