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| 型号： | IA82527-PTQ44A-R |
| 厂商： | Innovasic Semiconductor |
| 英文描述： | Serial Communications Controller CAN Protocol |
| 中文描述： | 串行通信控制器的CAN协议 |
| 文件页数： | 13/45页 |
| 文件大小： | 1760K |
| 代理商： | IA82527-PTQ44A-R |
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IA82527
CAN Serial Communications Controller
As of Production Ver. 00
PRELIMINARY
Table 3. IA82527 Pin/Signal Descriptions
,
continued
04 May 2007
Copyright
2007
EN21070504-00
www.Innovasic.com
Customer Support:
Page 13 of 45
1-888-824-4184
Pin
Signal
Name
PLCC
QFP
Description
miso
ready/
miso
28
22
m
aster
i
n
s
lave
o
ut. Output (open drain). Serial Interface Mode.
When the IA82527 is configured to operate with a serial interface,
miso
is the serial data output.
mode0
—
44
38
mode1
—
30
24
modeN
(N = 1 or 0). Input.
The logic levels at the mode0 and mode1 inputs determine the
operating mode (i.e., interface type) of the IA82527 as follows:
mode1
mode0
Interface Type
0
0
8-bit Multiplexed Intel
0
1
16-bit Multiplexed Intel
1
0
8-bit Multiplexed Non-Intel
1
1
8-bit Non-Multiplexed Non-Intel
The
mode1
and
mode0
inputs are also used to establish the Serial
Interface Mode as follows: when the IA82527 is reset, if
mode1
= 0
mode0
= 0
rd_n
= 0
wr_n
= 0
the Serial Interface Mode will be selected.
The
mode1
and
mode0
pins are internally connected to weak pull-
downs. These pins will be pulled low during reset if unconnected.
Following reset, these pins will float.
mosi
a4/ad4/
mosi
42
36
m
aster
o
ut
s
lave
i
n. Input. Serial Interface Mode.
When the IA82527 is configured to operate with a serial interface,
mosi
is the serial data input.
continued
. . .
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