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.
© Megawin Technology Co., Ltd. 2008 All rights reserved.
2008/12 version A4
MEGAWIN
5秒后页面跳转
三星深化印度制造布局，供应链本地化进程加速
芯擎科技“星辰一号”自动驾驶芯片点亮成功，2025年量产在即
纳微科技震撼发布GaNSlim革新氮化镓功率芯片
意法半导体发布第四代SiC技术，助力电动汽车电驱
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
