MPC235E2 参数 Datasheet PDF下载

型号：	MPC235E2
PDF下载：	下载PDF文件查看货源
内容描述：	低速USB微控制器 [Low-Speed USB Micro-Controller]
分类和应用：	微控制器
文件页数/大小：	50 页 / 664 K
品牌：	MEGAWIN [ MEGAWIN TECHNOLOGY CO., LTD ]

MPC235

Low-Speed USB Micro-Controller

General Description........................................................................................................................................ 3

Features .......................................................................................................................................................... 4

Pin Description ............................................................................................................................................... 5

Block Diagram ............................................................................................................................................... 6

Packages ......................................................................................................................................................... 7

Function Description ...................................................................................................................................... 8

Memory Map.................................................................................................................................................. 9

Special Function Register (SFR) .................................................................................................................. 10

Interrupt Vectors ............................................................................................................................................11

Interrupt Registers ................................................................................................................................ 12

IRQ enable flag............................................................................................................................. 12

IRQ status flag.............................................................................................................................. 12

IRQ clear flag ............................................................................................................................... 12

Watchdog Timer (WDT)............................................................................................................................... 13

System Control Registers ............................................................................................................................. 14

Power saving control ............................................................................................................................ 14

Release halt mode enable flag .............................................................................................................. 14

FCPU selector............................................................................................................................................... 15

Timer ............................................................................................................................................................ 16

Timer 0 ................................................................................................................................................. 16

USB .............................................................................................................................................................. 17

USB Block Diagram............................................................................................................................. 17

USB register access control.................................................................................................................. 17

USB SFR Category - Descriptions Summary....................................................................................... 18

USB SFR Description........................................................................................................................... 19

DCON: Device Control Register .................................................................................................. 19

FADDR: USB Function Address Register.................................................................................... 19

FPCON: Function Power Control Register .................................................................................. 20

FIE: Function Interrupt Enable Register....................................................................................... 20

FIFLG: Function Interrupt Flag Register...................................................................................... 21

IEN1: USB Interrupt Enable Register .......................................................................................... 21

EPINDEX: Endpoint Index Register ............................................................................................ 22

EPCON: Endpoint Control Register (Endpoint-Indexed)............................................................. 22

RXCNT: Receive FIFO Byte-Count Register (Endpoint-Indexed) .............................................. 23

RXCON: Receive FIFO Control Register (Endpoint-Indexed) .................................................... 23

RXDAT: Receive FIFO Data Register (Endpoint-Indexed) ......................................................... 24

RXSTAT: Endpoint Receive Status Register (Endpoint-Indexed)................................................ 24

TXCNT: Transmit FIFO Byte-Count Register (Endpoint-Indexed) ............................................. 25

TXCON: Transmit FIFO Control Register (Endpoint-Indexed)................................................... 25

TXDAT: Transmit FIFO Data Register (Endpoint-Indexed) ........................................................ 26

TXSTAT: Endpoint Transmit Status Register (Endpoint-Indexed)............................................... 26

I/O Ports ....................................................................................................................................................... 27

Port 0 .................................................................................................................................................... 27

Port 1 .................................................................................................................................................... 27

Port 2 .................................................................................................................................................... 28

Port 3 .................................................................................................................................................... 28

Port 4 .................................................................................................................................................... 28

DPM control ......................................................................................................................................... 29

Programming Notice .................................................................................................................................... 30

Application Circuit ....................................................................................................................................... 31

Normal:................................................................................................................................................. 31

This document contains information on a new product under development by Megawin. Megawin reserves the right to change or

discontinue this product without notice.

2008/12 version A4

MEGAWIN

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