PIC16F1934 Status: Future Product

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 楼主| DSX_STM32 发表于 2008-11-4 14:19 | 显示全部楼层 |阅读模式
Program&nbsp;Memory&nbsp;Type&nbsp;&nbsp;Flash&nbsp;<br />&nbsp;Program&nbsp;Memory&nbsp;Size&nbsp;(Kbytes)&nbsp;&nbsp;7&nbsp;<br />&nbsp;RAM&nbsp;&nbsp;256&nbsp;<br />&nbsp;Data&nbsp;EEPROM&nbsp;(bytes)&nbsp;&nbsp;256&nbsp;<br />&nbsp;I/O&nbsp;&nbsp;36&nbsp;<br /><br />Enhanced&nbsp;Mid-range&nbsp;Core&nbsp;with&nbsp;49&nbsp;Instruction,&nbsp;16&nbsp;Stack&nbsp;Levels<br />Flash&nbsp;Program&nbsp;Memory&nbsp;with&nbsp;self&nbsp;read/write&nbsp;capability<br />96&nbsp;LCD&nbsp;segment&nbsp;drive&nbsp;support<br />Internal&nbsp;32MHz&nbsp;oscillator<br />Integrated&nbsp;Capacitive&nbsp;mTouch&nbsp;Sensing&nbsp;Module<br />MI2C,&nbsp;SPI,&nbsp;EUSART&nbsp;w/auto&nbsp;baud<br />3&nbsp;ECCP&nbsp;&&nbsp;2&nbsp;CCP&nbsp;(Enhanced/Capture&nbsp;Compare&nbsp;PWM)<br />Comparators&nbsp;with&nbsp;selectable&nbsp;Voltage&nbsp;Reference<br />14&nbsp;Channel&nbsp;10b&nbsp;ADC&nbsp;with&nbsp;Voltage&nbsp;Reference<br />25mA&nbsp;Source/Sink&nbsp;current&nbsp;I/O<br />Four&nbsp;8-bit&nbsp;Timer&nbsp;(TMR0/TMR2/TMR4/TMR6)<br />One&nbsp;16-bit&nbsp;Timer&nbsp;(TMR1)<br />Extended&nbsp;Watchdog&nbsp;Timer&nbsp;(EWDT)<br />Enhanced&nbsp;Power-On/Off-Reset<br />Brown-Out&nbsp;Reset&nbsp;(BOR)<br />In&nbsp;Circuit&nbsp;Serial&nbsp;Programming&nbsp;(ICSP)<br />Wide&nbsp;Operating&nbsp;Voltage&nbsp;(1.8V&nbsp;–&nbsp;5.5V)<br />Low&nbsp;Power&nbsp;PIC16LF1934&nbsp;variant&nbsp;(1.8V&nbsp;–&nbsp;3.6V)
machunshui 发表于 2008-11-4 14:59 | 显示全部楼层

这么快出来了?

这么快出来了?
machunshui 发表于 2008-11-4 15:01 | 显示全部楼层

Future Product

Future&nbsp;Product,<br /><br />真不知Future&nbsp;到什么时候
machunshui 发表于 2008-11-4 15:02 | 显示全部楼层

不过既然列出来了,

不过既然列出来了,<br /><br />估计不会太久了
machunshui 发表于 2008-11-4 21:49 | 显示全部楼层

自动中断现场保护会大大加快中断响应速度

Interrupt&nbsp;Capability&nbsp;with&nbsp;Automatic&nbsp;Context<br />Saving<br /><br /><br />自动中断现场保护会大大加快中断响应速度
machunshui 发表于 2008-11-4 22:11 | 显示全部楼层

相对跳转很有用啊!

Relative&nbsp;Branching&nbsp;allows&nbsp;MOST&nbsp;code&nbsp;to&nbsp;eliminate<br />the&nbsp;paging&nbsp;concerns<br />&nbsp;<br />BRA&nbsp;N<br />&nbsp;<br />Always&nbsp;branch&nbsp;to&nbsp;PC&nbsp;+<br />N<br />&nbsp;<br />Range&nbsp;is&nbsp;-<br />256&nbsp;&lt=&nbsp;N<br />&lt=&nbsp;255<br />&nbsp;<br />PC&nbsp;+<br />N<br />is&nbsp;15-bit&nbsp;math&nbsp;so&nbsp;no&nbsp;paging&nbsp;issues<br />&nbsp;<br />BRW<br />&nbsp;<br />Always&nbsp;branch&nbsp;to&nbsp;PC&nbsp;+<br />W<br />(<br />unsigned)<br />&nbsp;&nbsp;&nbsp;<br />PC&nbsp;+<br />W<br />is&nbsp;15-bit&nbsp;math&nbsp;so&nbsp;no&nbsp;paging&nbsp;issues
xieyuanbin 发表于 2008-11-5 08:43 | 显示全部楼层

应该有工程样片出来

但正式发布的话,起码一年以上
headwolf 发表于 2008-11-5 21:07 | 显示全部楼层

价格价格,关注性价比,拼经济啊.

  
su_mj000 发表于 2008-11-6 02:48 | 显示全部楼层

仔细研究PIC16F1xxx构架后

仔细研究PIC16F1xxx构架后,觉得此新款可能会提升5%~10%的性能(指同频率比较)。<br />(1)FSR0、FSR1是16位指针(8位寄存器对),至少要4条指令才能装载。<br />(2)BRA指令只能转跳+255~-256范围。<br />(3)BRW的偏移量在WREG中,范围只有256个地址。<br /><br />GOTO和CALL指令没有变,所以ROM的分页问题依旧。<br /><br />
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