参数资料
型号: PIC16F74T-I/L
厂商: Microchip Technology
文件页数: 51/104页
文件大小: 0K
描述: IC MCU FLASH 4KX14 A/D 44PLCC
产品培训模块: Asynchronous Stimulus
标准包装: 500
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 33
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
RAM 容量: 192 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 8x8b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 带卷 (TR)
Micrel, Inc.
KSZ8851-16MLLJ
March 2010
42
M9999-030210-1.0
Internal I/O Registers Space Mapping (Continued)
I/O Register Offset Location
16-Bit
8-Bit
Register
Name
Default
Value
Description
0x86 - 0x87
0x86
0x87
RXFDPR
0x0000
RX Frame Data Pointer Register [7:0]
RX Frame Data Pointer Register [15:8]
0x88 - 0x89
0x88
0x89
0x8A - 0x8B
0x8A
0x8B
Reserved
Don’t care
None
0x8C - 0x8D
0x8C
0x8D
RXDTTR
0x0000
RX Duration Timer Threshold Register [7:0]
RX Duration Timer Threshold Register [15:8]
0x8E - 0x8F
0x8E
0x8F
RXDBCTR
0x0000
RX Data Byte Count Threshold Register [7:0]
RX Data Byte Count Threshold Register [15:8]
0x90 - 0x91
0x90
0x91
IER
0x0000
Interrupt Enable Register [7:0]
Interrupt Enable Register [15:8]
0x92 - 0x93
0x92
0x93
ISR
0x0300
Interrupt Status Register [7:0]
Interrupt Status Register [15:8]
0x94 - 0x95
0x94
0x95
0x96 - 0x97
0x96
0x97
Reserved
Don’t care
None
0x98 - 0x99
0x98
0x99
0x9A - 0x9B
0x9A
0x9B
Reserved
Don’t care
None
0x9C - 0x9D
0x9C
0x9D
RXFCTR
0x0000
RX Frame Count & Threshold Register [7:0]
RX Frame Count & Threshold Register [15:8]
0x9E - 0x9F
0x9E
0x9F
TXNTFSR
0x0000
TX Next Total Frames Size Register [7:0]
TX Next Total Frames Size Register [15:8]
0xA0 - 0xA1
0xA0
0xA1
MAHTR0
0x0000
MAC Address Hash Table Register 0 [7:0]
MAC Address Hash Table Register 0 [15:8]
0xA2 - 0xA3
0xA2
0xA3
MAHTR1
0x0000
MAC Address Hash Table Register 1 [7:0]
MAC Address Hash Table Register 1 [15:8]
0xA4 - 0xA5
0xA4
0xA5
MAHTR2
0x0000
MAC Address Hash Table Register 2 [7:0]
MAC Address Hash Table Register 2 [15:8]
0xA6 - 0xA7
0xA6
0xA7
MAHTR3
0x0000
MAC Address Hash Table Register 3 [7:0]
MAC Address Hash Table Register 3 [15:8]
0xA8 - 0xA9
0xA8
0xA9
0xAA - 0xAB
0xAA
0xAB
Reserved
Don’t care
None
0xAC - 0xAD
0xAC
0xAD
0xAE - 0xAF
0xAE
0xAF
Reserved
Don’t care
None
0xB0 - 0xB1
0xB0
0xB1
FCLWR
0x0500
Flow Control Low Watermark Register [7:0]
Flow Control Low Watermark Register [15:8]
0xB2 - 0xB3
0xB2
0xB3
FCHWR
0x0300
Flow Control High Watermark Register [7:0]
Flow Control High Watermark Register [15:8]
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