IA82527_13 Datasheet, PDF (28/58 Pages) InnovASIC, Inc – Serial Communications Controller—CAN Protocol

IA82527
CAN Serial Communications Controller
Data Sheet
December 20, 2012
4. Functional Description
4.1 Hardware Architecture
A block diagram of the IA82527 CAN Serial Communications Controller is shown in Figure 5.
The primary architectural features of the device are as follows:
• CAN Controller
• Message RAM
• CPU Interface
• I/O Ports
• Programmable Clock Output
These features are briefly described in the following subsections.
Mode
Select
clkout
Address/Data Bus
Control Bus
Programmable
Clock
Port 1 I/O _Port
1
CPU Interface
Port 2 I/O _Port
2
mosi
miso
Serial Interface
Internal
Registers
Message
RAM
Figure 5. Functional Block Diagram
IA211080504-07
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Receive {
rx0
rx1
CAN
Controller
Transmit {
tx0
tx1
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