參數(shù)資料
型號(hào): AM79C30AVC
廠商: ADVANCED MICRO DEVICES INC
元件分類(lèi): 數(shù)字傳輸電路
英文描述: Digital Subscriber Controller⑩ (DSC⑩) Circuit
中文描述: DATACOM, DIGITAL SLIC, PQFP44
封裝: PLASTIC, TQFP-44
文件頁(yè)數(shù): 43/101頁(yè)
文件大小: 1607K
代理商: AM79C30AVC
Am79C30A/32A Data Sheet
43
D-Channel Mode Register 2 — (DMR2) — Read/Write
Address = Indirect 87H
DMR2 is used to enable/disable the interrupts generated in the DER (see DER definition on page 41). DMR2 is con-
trolled by the microprocessor and does not generate interrupts. DMR2 is defined in Table 40.
Table 40.
D-Channel Mode Register 2
D-Channel Mode Register 3 — (DMR3) — Read/Write
Address = Indirect 8EH
Bit
Logical 1
Logical 0 (Default Value)
0
Enable Receive Abort interrupt (see DER bit 0)
Disable interrupt
1
Enable Non-integer Number of Bytes Received interrupt (see DER bit 1)
Disable interrupt
2
Enable Collision Abort Detected interrupt (see DER bit 2)
Disable interrupt
3
Enable FCS Error interrupt (see DER bit 3)
Disable interrupt
4
Enable Overflow Error interrupt (see DER bit 4)
Disable interrupt
5
Enable Underflow Error interrupt (see DER bit 5)
Disable interrupt
6
Enable Overrun Error interrupt (see DER bit 6)
Disable interrupt
7
Enable Underrun Error interrupt (see DER bit 7)
Disable interrupt
Table 41.
D-Channel Mode Register 3
Bit
Logical 1
Logical 0 (Default Value)
0
Enable Valid Address/End of Address interrupt (default value) (see DSR1 bit 0) Disable interrupt
1
Enable End of Valid Transmit Packet interrupt (default value) (see DSR1 bit 6) Disable interrupt
2
Enable Last Byte of Received Packet interrupt (see DSR2 bit 0)
Disable interrupt (default value)
3
Enable Receive Byte Available interrupt (see DSR2 bit 1)
Disable interrupt (default value)
4
Enable Last Byte Transmitted interrupt (see DSR2 bit 3)
Disable interrupt (default value)
5
Enable Transmit buffer Available interrupt (see DSR2 bit 4)
Disable interrupt (default value)
6
Enable Received Packet Lost interrupt (see DSR2 bit 2)
Disable interrupt (default value)
7
Enable FCS transfer to FIFO
Disable FCS transfer to FIFO
(default value)
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