参数资料
型号: PIC16F1508T-I/SO
厂商: Microchip Technology
文件页数: 87/123页
文件大小: 0K
描述: IC MCU 8BIT 7KB FLASH 20-SOIC
标准包装: 1,600
系列: PIC® XLP™ 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 17
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.3 V ~ 5.5 V
数据转换器: A/D 12x10b,D/A 1x5b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
包装: 带卷 (TR)
Micrel, Inc.
KSZ8873MLLJ
September 2011
66
M9999-091911-1.8
Advanced Control Registers (Registers 96-198)
The IPv4/IPv6 TOS Priority Control Registers implement a fully decoded, 128-bit DSCP (Differentiated Services Code
Point) register set that is used to determine priority from the ToS (Type of Service) field in the IP header. The most
significant 6 bits of the ToS field are fully decoded into 64 possibilities, and the singular code that results is compared
against the corresponding bits in the DSCP register to determine the priority.
Register 96 (0x60): TOS Priority Control Register 0
Bit
Name
R/W
Description
Default
7-6
DSCP[7:6]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x03.
00
5-4
DSCP[5:4]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x02.
00
3-2
DSCP[3:2]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x01.
00
1-0
DSCP[1:0]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x00.
00
Register 97 (0x61): TOS Priority Control Register 1
Bit
Name
R/W
Description
Default
7-6
DSCP[15:14]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x07.
00
5-4
DSCP[13:12]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x06.
00
3-2
DSCP[11:10]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x05.
00
1-0
DSCP[9:8]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x04.
00
Register 98 (0x62): TOS Priority Control Register 2
Bit
Name
R/W
Description
Default
7-6
DSCP[23:22]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x0B.
00
5-4
DSCP[21:20]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x0A.
00
3-2
DSCP[19:18]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x09.
00
1-0
DSCP[17:16]
R/W
The value in this field is used as the frame’s priority when
bits [7:2] of the frame’s IP TOS/DiffServ/Traffic Class value
is 0x08.
00
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