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SN8F2270B PDF预览

SN8F2270B

更新时间： 2022-12-17 06:53:48

品牌	Logo	应用领域
松翰 - SONIX		微控制器
页数	文件大小	规格书
111页	1291K
描述
8-Bit Micro-Controller

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SN8F2270B Series

USB 2.0 Low-Speed 8-Bit Micro-Controller

1

PRODUCT OVERVIEW

1.1 FEATURES

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

Two external interrupt: INT0, INT1.

RAM size: 192 x 8 bits.

8 levels stack buffer

One SIO function for data transfer

♦

♦

♦

♦

I/O pin configuration

Two 8 bits timer counter (T0, TC0)

TC0 has 8 bit PWM function (duty/cycle

programmable).

Bi-directional: P0, P1, P5

Wake-up: P0/P1 level change.

Pull-up resistors: P0, P1, P5.

External interrupt: P0.0, P0.1 controlled by

PEDGE.

Two system clocks.

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.

3.3V regulator output for USB D- pin internal

1.5k ohm pull-up resistor.

Four operating modes.

Normal mode: Both high and low clocks active.

Slow mode: Low clock only.

Integrated USB transceiver.

Supports 1 low speed USB device address,

1 control endpoint

Sleep: Both high and low clocks stop.

Green mode: Periodical wakeup by timer.

2 interrupt IN/OUT endpoints, each has 8 bytes

FIFO

Package

♦

SOP14, QFN16, SOP20, SSOP20, DIP20

Powerful instructions

On chip watchdog timer.

♦

♦

♦

One clocks per instruction cycle (1T)

Most of instructions are one cycle only.

All ROM area JMP instruction.

In-system re-programmability

Allows easy firmware update

All ROM area CALL address instruction.

All ROM area lookup table function (MOVC)

)

Features Selection Table

TIMER

WAKE-UP

PIN NO.

CHIP

ROM RAM STACK

SIO PWM

I/O pin

PACKAGE

T0 TC0

SN8F2271B 5K*16 192*8

SN8F22711B 5K*16 192*8

SN8F22721B 5K*16 192*8

8

8

8

V

V

V

V

V

V

V

-

V

-

V

V

7

7

10

10

8

14

QFN

SOP

DIP/SOP/SSOP

SONiX TECHNOLOGY CO., LTD

Page 7

Version 1.2

1...4 5 678 9 10...111

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与SN8F2270B相关器件

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