參數(shù)資料
型號(hào): DS3160
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁(yè)數(shù): 16/107頁(yè)
文件大?。?/td> 592K
代理商: DS3160
DS3160
16 of 107
Signal Name:
Signal Description:
Signal Type:
This output signal is driven low or open (float) during normal operation. It is driven low if one or more
unmasked interrupt sources within the device are active. The signal remains low until the interrupt is
either serviced or masked. This pin can be driven high in JTAG test modes.
CINT
CPU Bus Interrupt
Output
Signal Name:
Signal Description:
Signal Type:
This active-low signal must be asserted for the device to accept a read or write command from an external
host.
CCS
CPU Bus Chip Select
Input
Signal Name:
Signal Description:
Signal Type:
This input signal controls a latch that exists on the CA0 to CA7 inputs. When CALE is high, the latch is
transparent. The falling edge of CALE causes the latch to sample and hold the CA0 to CA7 inputs. In
nonmultiplexed bus applications, CALE should be connected high. In multiplexed bus applications,
CA[7:0] should be connected to CD[7:0] and the falling edge of CALE latches the address.
CALE
CPU Bus Address Latch Enable
Input
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