MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 463

• Manufacturer Part Number: MOD5234-100IR
• Description: MOD5234 10/100 ETHERNET MODULE
• Manufacturer: NetBurner Inc
• Type: Controllers & Processorsr

Specifications of MOD5234-100IR

• Interface: I²C, SPI, UART
• Voltage - Supply: 2.5V
• Mounting Type: Surface Mount
• Package / Case: Module
• Product: Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Format: -
• Baud Rates: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q4483564

21.3.2.2 FlexCAN Control Register (CANCTRLn)
CANCTRLn is defined for specific FlexCAN control features related to the CAN bus, such as
bit-rate, programmable sampling point within an Rx bit, loop back mode, listen-only mode, bus
off recovery behavior, and interrupt enabling. It also determines the division factor for the clock
prescaler. Most of the fields in this register should only be changed while the module is disabled
or in freeze mode. Exceptions are the BOFFMSK, ERRMSK, and BOFFREC bits which can be
accessed at any time.
Freescale Semiconductor
Reg Addr
Reset
Reset
22–21
19–4
Bits
3–0
20
W
W
R
R BOFF
MSK
31
15
0
0
LPMACK
MAXMB
ERR
MSK
Name
30
14
0
0
—
—
Table 21-2. CANMCRn Field Descriptions (Continued)
Figure 21-5. FlexCAN Control Register (CANCTRLn)
CLK_
SRC
29
13
0
0
Reserved, should be cleared.
Low power mode acknowledge. Indicates that FlexCAN is disabled. Disabled mode cannot
be entered until all current transmission or reception processes have finished, so the CPU
can poll the LPMACK bit to know when the FlexCAN has actually entered low power mode.
See
for more information. This bit is read-only.
0 FlexCAN not disabled.
1 FlexCAN is in disabled mode.
Reserved, should be cleared.
Maximum number of message buffers. Defines the maximum number of message buffers
that will take part in the matching and arbitration process. The reset value (0xF) is
equivalent to 16 message buffer (MB) configuration. This field should be changed only
while the module is in freeze mode.
LPB
PRESDIV
Section 21.1.3.3, “Module Disabled
28
12
0
0
IPSBAR + 0x1C_0004 (CAN0); 0x1F_0004 (CAN1)
MCF5235 Reference Manual, Rev. 2
27
11
0
0
0
26
10
0
0
0
Maximum MBs in Use = MAXMB + 1
25
0
0
0
9
24
0
0
0
8
Description
SMP BOFF
Mode” and
23
0
0
7
RJW
REC
22
0
6
0
Section 8.3.1, “Low-Power
TSYN LBUF LOM
21
0
5
0
PSEG1
20
0
0
4
Memory Map/Register Definition
19
0
0
3
18
0
0
2
PROPSEG
Modes,”
PSEG2
17
0
1
0
16
0
0
0
21-9