参数资料
型号: PIC16F636T-I/ST
厂商: Microchip Technology
文件页数: 18/74页
文件大小: 0K
描述: IC MCU FLASH 2KX14 14TSSOP
产品培训模块: Asynchronous Stimulus
标准包装: 2,500
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
外围设备: 欠压检测/复位,LVD,POR,WDT
输入/输出数: 11
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: 闪存
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
包装: 带卷 (TR)
配用: XLT14SS-1-ND - SOCKET TRANSITION 14DIP/14SSOP
AC162057-ND - MPLAB ICD 2 HEADER 14DIP
Micrel, Inc.
KSZ8841-PMQL
October 2007
25
M9999-100407-1.5
Bit
Description
26
UDPE UDP Checksum Error
When set, indicates that the received frame is an UDP/IP packet and its UDP checksum field
does not match.
This bit is valid only when last descriptor is set.
25
ES Error Summary
Indicates the logical OR of the following RDES0 bits:
CRC error
Frame too long
Runt frame
This bit is valid only when last descriptor is set.
24
MF Multicast Frame
When set, indicates that this frame has a multicast address.
This bit is valid only when last descriptor is set.
23 - 20
SPN Switch Engine Source Port Number
This field indicates the source port where the packet originated.
If bit 20 is set, it indicates the packet was received from port 1. If bit 21 is set, it indicates the
packet was received from port 2.
This field is valid only when the last descriptor is set.
(Bits 23 and 22 are not used, but reserved for backward compatibility and future expansion.)
19
RE Report on MII Error
When set, indicates that a receive error in the physical layer was reported during the frame
reception.
18
TL Frame Too Long
When set, indicates that the frame length exceeds the maximum size of 1518 bytes.
This bit is valid only when last descriptor is set.
Note: Frame too long is only a frame length indication and does not cause any frame
truncation.
17
RF Runt Frame
When set, indicates that this frame was damaged by a collision or premature termination
before the collision window has passed. Runt frames are passed on to the host only if the
pass bad frame bit is set.
16
CE CRC Error
When set, indicates that a CRC error occurred on the received frame.
This bit is valid only when last descriptor is set.
15
FT Frame Type
When set, indicates that the frame is an Ethernet-type frame (frame length field is greater
than 1500 bytes). When clear, indicates that the frame is an IEEE 802.3 frame.
This bit is not valid for runt frames.
This bit is valid only when last descriptor is set.
14 - 11
Reserved
10 - 0
FL Frame Length
Indicates the length, in bytes, of the received frame, including the CRC.
This field is valid only when last descriptor is set and descriptor error is reset.
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PIC16F639-E/SO 功能描述:8位微控制器 -MCU 4kb 128 RAM 12 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC16F639-E/SS 功能描述:8位微控制器 -MCU 4kb 128 RAM 12 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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