參數(shù)資料
型號(hào): AM79C850KC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: SUPERNET-R 3
中文描述: 1 CHANNEL(S), 100M bps, FDDI CONTROLLER, PQFP208
封裝: PLASTIC, QFP-208
文件頁數(shù): 45/97頁
文件大?。?/td> 358K
代理商: AM79C850KC
P R E L I M I N A R Y
AMD
45
SUPERNET 3
Status Register 3 (ST3U & ST3L)
A 32-bit read only register, designated ST3, and a 32 bit
read/write register, designated IMSK3, has been added
in SUPERNET 3. This register is dedicated to status
handling and interrupt reporting. Any of the bits in this
status register can be used generate an interrupt. The
bits in ST3 may be masked by the interrupt mask
registers (IMSK3) for complete control of the interrupt
conditions. ST3 has status bits associated with receive
operation for RECV2 queue, status of internal CAM
match operation, and BIST operation for the various
sub-blocks of the SUPERNET 3. All status bits except
SRBMT2 and SRBFL2 are auto-cleared on reading the
register. The remaining bits are set/reset depending
upon the state of the monitored conditions. Refer to
Interrupt Mechanisms for more detailed information
regarding interrupt handling.
LSB
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
19574A-16
SRQUNLCK1
SRQUNLCK2
SRPERRQ1
SRPERRQ2
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
SRCVOVR2
SRBFL2
SRABT2
SRBMT2
SRCOMP2
Figure 15. Status Register 3 – Upper 16 Bits (ST3U) (NPADDR = 61h)
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AM79C850KCW 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:SUPERNET-R 3
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