參數(shù)資料
型號(hào): TMPR28051
英文描述: TMPR28051 STS-1/AU-3 (STM-0) Mapper Device Advisory for Version 5 of the Device
中文描述: TMPR28051 STS-1/AU-3(的STM - 0)映射為版本的設(shè)備5設(shè)備咨詢
文件頁(yè)數(shù): 35/90頁(yè)
文件大?。?/td> 1090K
代理商: TMPR28051
Data Sheet
August 1999
TMPR28051 STS-1/AU-3 (STM-0) Mapper
21
Lucent Technologies Inc.
Microprocessor Interface Description
(continued)
Microprocessor Interface Pins
The mode [1—4] specific pin definitions are given in Table 13. Note that the microprocessor interface uses the
same set of pins in all modes.
Table 13. Mode [1—4] Microprocessor Pin Definitions
Configuration
Device Pin
Name
WR_DS
RD_R/W
Generic Pin
Name
DS
R/W
Pin Type
Assertion
Sense
Active-Low
Function
Mode 1
Input
Input
Data Strobe
Read/Write
R/W = 1 for Read
R/W = 0 for Write
Address Strobe
Chip Select
Interrupt
Data Acknowledge
Data Bus
Address Bus
Data Strobe
Read/Write
R/W = 1 for Read
R/W = 0 for Write
Address Strobe
Chip Select
Interrupt
Data Acknowledge
Address/Data Bus
ALE_AS
CS
INT
RDY_DTACK
AD[7:0]
A[7:0]
WR_DS
RD_R/W
AS
CS
INT
Input
Input
Output
Output
I/O
Input
Input
Input
Active-Low
Active-High
Active-Low
Active-Low
DTACK
AD[7:0]
A[7:0]
DS
R/W
Mode 2
ALE_AS
CS
INT
RDY_DTACK
AD[7:0]
AS
CS
INT
Input
Input
Output
Output
I/O
Active-Low
Active-High
Active-Low
DTACK
AD[7:0]
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