MOTOROLA
參數資料
型號: XRT86VX38IB329-F
廠商: Exar Corporation
文件頁數: 52/61頁
文件大小: 0K
描述: IC TI/E1/J1 FRAMER/LIU 329FPBGA
標準包裝: 90
控制器類型: T1/E1/J1 調幀器,LIU
電源電壓: 3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 329-FBGA
供應商設備封裝: 329-FPBGA(17x17)
包裝: 散裝
其它名稱: 1016-1439
XRT86VX38
53
OCTAL T1/E1/J1 FRAMER/LIU COMBO - HARDWARE DESCRIPTION
REV. 1.0.2
MOTOROLA ASYCHRONOUS INTERFACE TIMING
The signals used in the Motorola microprocessor interface mode are: Address Strobe (AS), Data Strobe (DS),
Read/Write Enable (R/W), Chip Select (CS), Address and Data bits. The interface is compatible with the timing
of a Motorola 68000 microprocessor family. The interface timing is shown in Figure 12. The I/O specifications
are shown in Table 15.
FIGURE 12. MOTOROLA ASYCHRONOUS MODE INTERFACE SIGNALS DURING PROGRAMMED I/O READ AND WRITE
OPERATIONS
TABLE 15: MOTOROLA ASYCHRONOUS MODE MICROPROCESSOR INTERFACE TIMING SPECIFICATIONS
SYMBOL
PARAMETER
MIN
MAX
UNITS
t0
Valid Address to CS Falling Edge
0
-
ns
t1
CS Falling Edge to DS (Pin RD_DS) Assert
0
-
ns
t2
DS Assert to DTACK Assert
-
320
ns
NA
DS Pulse Width (t2)320
-
ns
t3
CS Falling Edge to AS (Pin ALE_AS) Falling Edge
0
-
ns
CS
ADDR[6:0]
DATA[7:0]
RD_DS
WR_R/W
RDY_DTACK
Valid Data for Readback
Data Available to W rite Into the LIU
READ OPERATIO N
W RITE OPERATIO N
t
0
t
0
t
1
t
2
Valid Address
t
3
t
3
t
1
t
2
ALE_AS
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