参数资料
型号: PIC16LC642-04/SP
厂商: Microchip Technology
文件页数: 83/125页
文件大小: 0K
描述: IC MCU OTP 4KX14 COMP 28DIP
产品培训模块: Asynchronous Stimulus
标准包装: 15
系列: PIC® 16C
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: 欠压检测/复位,LED,POR,WDT
输入/输出数: 22
程序存储器容量: 7KB(4K x 14)
程序存储器类型: OTP
RAM 容量: 176 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 6 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 28-DIP(0.300",7.62mm)
包装: 管件
Micrel, Inc.
KSZ8862-16/32MQL
April 2007
60
M9999-040407-3.0
Bank 3 EEPROM Control Register (0x02): EEPCR
To support an external EEPROM, tie the EEPROM Enable (EEEN) pin to High; otherwise, tie it to Low. If an external
EEPROM is not used, the default chip Base Address (0x300), and the software programs the host MAC address. If an
EEPROM is used in the design (EEPROM Enable pin to High), the chip Base Address and host MAC address are loaded
from the EEPROM immediately after reset. The KSZ8862M allows the software to access (read and write) the EEPROM
directly; that is, the EEPROM access timing can be fully controlled by the software if the EEPROM Software Access bit is
set.
Bit
Default Value
R/W
Description
15-5
-
RO
Reserved
4
0
RW
EESA EEPROM Software Access
1: enable software to access EEPROM through bit 3 to bit 0.
0: disable software to access EEPROM.
3
-
RO
EECB EEPROM Status Bit
Data Receive from EEPROM. This bit directly reads the EEDI pin.
2-0
0x0
RW
EECB EEPROM Control Bits
Bit 2: Data Transmit to EEPROM. This bit directly controls the device’s EEDO pin.
Bit 1: Serial Clock. This bit directly controls the device’s EESK pin.
Bit 0: Chip Select for EEPROM. This bit directly controls the device’s EECS pin.
Bank 3 Memory BIST INFO Register (0x04): MBIR
Bit
Default Value
R/W
Description
15-13
0x0
RO
Reserved
12
-
RO
TXMBF TX Memory Bist Finish
When set, it indicates the Memory Built In Self Test completion for the TX Memory.
11
-
RO
TXMBFA TX Memory Bist Fail
When set, it indicates the Memory Built In Self Test has failed.
10-5
-
RO
Reserved
4
-
RO
RXMBF RX Memory Bist Finish
When set, it indicates the Memory Built In Self Test completion for the RX Memory.
3
-
RO
RXMBFA RX Memory Bist Fail
When set, it indicates the Memory Built In Self Test has failed.
2-0
-
RO
Reserved
Bank 3 Global Reset Register (0x06): GRR
This register controls the global reset function with information programmed by the CPU.
Bit
Default Value
R/W
Description
15-1
0x0000
RO
Reserved
0
RW
Global Soft Reset
1: software reset is active.
0: software reset is inactive.
Software reset will affect PHY, MAC, QMU, DMA, and the switch core, only the BIU (base
address registers) remains unaffected by a software reset.
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