- 您现在的位置：买卖IC网 > PDF目录45309 > MC9SA256BCFUR2 (FREESCALE SEMICONDUCTOR INC) 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP80 PDF资料下载
参数资料
| 型号： | MC9SA256BCFUR2 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | QFP-80 |
| 文件页数： | 27/102页 |
| 文件大小： | 1050K |
| 代理商： | MC9SA256BCFUR2 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页当前第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页第93页第94页第95页第96页第97页第98页第99页第100页第101页第102页
MC9S12A256 Device Guide — V01.01
30
clock drive. If input is a logic high an oscillator circuit is configured on EXTAL and XTAL. Since this pin
is an input with a pull-up device, if the pin is left floating, the default configuration is an oscillator circuit
on EXTAL and XTAL.
2.3.14 PE6 / MODB / IPIPE1 — Port E I/O Pin 6
PE6 is a general purpose input or output pin. It is used as a MCU operating mode select pin during reset.
The state of this pin is latched to the MODB bit at the rising edge of RESET. This pin is shared with the
instruction queue tracking signal IPIPE1. This pin is an input with a pull-down device which is only active
when RESET is low.
2.3.15 PE5 / MODA / IPIPE0 — Port E I/O Pin 5
PE5 is a general purpose input or output pin. It is used as a MCU operating mode select pin during reset.
The state of this pin is latched to the MODA bit at the rising edge of RESET. This pin is shared with the
instruction queue tracking signal IPIPE0. This pin is an input with a pull-down device which is only active
when RESET is low.
2.3.16 PE4 / ECLK — Port E I/O Pin 4
PE4 is a general purpose input or output pin. It can be configured to drive the internal bus clock ECLK.
ECLK can be used as a timing reference.
2.3.17 PE3 / LSTRB / TAGLO — Port E I/O Pin 3
PE3 is a general purpose input or output pin. In MCU expanded modes of operation, LSTRB can be used
for the low-byte strobe function to indicate the type of bus access and when instruction tagging is on,
TAGLO is used to tag the low half of the instruction word being read into the instruction queue.
2.3.18 PE2 / R/W — Port E I/O Pin 2
PE2 is a general purpose input or output pin. In MCU expanded modes of operations, this pin drives the
read/write output signal for the external bus. It indicates the direction of data on the external bus.
2.3.19 PE1 / IRQ — Port E Input Pin 1
PE1 is a general purpose input pin and the maskable interrupt request input that provides a means of
applying asynchronous interrupt requests. This will wake up the MCU from STOP or WAIT mode.
2.3.20 PE0 / XIRQ — Port E Input Pin 0
PE0 is a general purpose input pin and the non-maskable interrupt request input that provides a means of
applying asynchronous interrupt requests. This will wake up the MCU from STOP or WAIT mode.
相关PDF资料 |
PDF描述 |
|---|---|
| MC9SA256BCPVR2 | 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP112 |
| MC9SDJ128BCFUR2 | 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80 |
| MC9SDJ128BVPVR2 | 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112 |
| MC9SDG128BMPVR2 | 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112 |
| MC9SDB128BMPVR2 | 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MC9SDG128BCPVR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC9SDG128BMFUR2 | 制造商:Motorola Inc 功能描述: |
| MC9SDG128BVFUR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC9SDG128ECPV | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC9SDG128ECPVR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
发布紧急采购，3分钟左右您将得到回复。