XRT83L38ES Exar, XRT83L38ES Datasheet - Page 85

• Manufacturer Part Number: XRT83L38ES
• Description: Peripheral Drivers & Components - PCIs
• Manufacturer: Exar

Specifications of XRT83L38ES

• Product Category: Peripheral Drivers & Components - PCIs
• Rohs: yes

REV. 1.0.2
M
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 with up to 16.67 MHz clock frequency. The interface timing is
shown in
F
Reset pulse width - both Motorola and Intel Operations (see
F
IGURE
IGURE
OTOROLA
RD Y_D TACK
ADD R[6:0]
D ATA[7:0]
W R _R /W
A LE_AS
R D_D S
S
Reset
31. M
32. M
YMBOL
NA
Figure 31
CS
t
t
t
t
t
0
1
2
3
9
A
SYCHRONOUS
OTOROLA
ICROPROCESSOR
T
ABLE
t
0
OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
and
t
3
Valid Address to CS Falling Edge
CS Falling Edge to DS Assert
DS Assert to DTACK Assert
DS Pulse Width (t2)
CS Falling Edge to AS Falling Edge
Reset pulse width
52: A
t
1
68K A
Figure
I
NTERFACE
SYNCHRONOUS
SYNCHRONOUS
I
Valid Address
NTERFACE
32. The I/O specifications are shown in
READ OPERATION
t
2
P
ARAMETER
T
IMING
Valid Data for Readback
T
- M
IMING
P
OTOROLA
ROGRAMMED
- R
ESET
82
68K - I
P
t
Figure 32
9
ULSE
I/O I
NTERFACE
NTERFACE
t
0
W
IDTH
t
3
M
135
)
20
10
0
0
-
IN
t
1
Table
T
T
IMING
IMING
52.
Data Available to W rite Into the LIU
WRITE O PERATION
S
Valid Addres s
t
2
PECIFICATION
M
135
AX
-
-
-
-
XRT83L38
U
NITS
ns
ns
ns
ns
ns
µs