TOOLSTICK542PP Silicon Laboratories Inc, TOOLSTICK542PP Datasheet - Page 174
TOOLSTICK542PP
Manufacturer Part Number
TOOLSTICK542PP
Description
PLATFORM PROG TOOLSTICK F542
Manufacturer
Silicon Laboratories Inc
Series
ToolStickr
Type
Microcontroller Programmerr
Specifications of TOOLSTICK542PP
Contents
2 Boards and USB Connecting Cable
Processor To Be Evaluated
C8051F542
Interface Type
USB
Operating Supply Voltage
2.7 V to 3.6 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F542
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1718
- Current page: 174 of 274
- Download datasheet (3Mb)
C8051F54x
19.3. LIN Master Mode Operation
The master node is responsible for the scheduling of messages and sends the header of each frame con-
taining the SYNCH BREAK FIELD, SYNCH FIELD, and IDENTIFIER FIELD. The steps to schedule a mes-
sage transmission or reception are listed below.
1. Load the 6-bit Identifier into the LIN0ID register.
2. Load the data length into the LIN0SIZE register. Set the value to the number of data bytes or "1111b" if
3. Set the data direction by setting the TXRX bit (LIN0CTRL.5). Set the bit to 1 to perform a master
4. If performing a master transmit operation, load the data bytes to transmit into the data buffer (LIN0DT1
5. Set the STREQ bit (LIN0CTRL.0) to start the message transfer. The LIN controller will schedule the
This code segment shows the procedure to schedule a message in a transmission operation:
The application should perform the following steps when an interrupt is requested.
174
the data length should be decoded from the identifier. Also, set the checksum type, classic or
enhanced, in the same LIN0SIZE register.
transmit operation, or set the bit to 0 to perform a master receive operation.
to LIN0DT8).
message frame and request an interrupt if the message transfer is successfully completed or if an error
has occurred.
LIN0ADR
LIN0DAT
LIN0ADR
LIN0DAT
LIN0ADR
LIN0DAT
LIN0ADR
for (i=0; i<8; i++)
{
}
LIN0ADR
LIN0DAT
LIN0DAT = i + 0x41;
LIN0ADR++;
|= 0x20;
= ( LIN0DAT & 0xF0 ) | 0x08;
= 0x00;
= 0x08;
= 0x01;
= 0x08;
= 0x0E;
= 0x11;
= 0x0B;
Table 19.3. Autobaud Parameters Examples
System Clock (MHz)
22.1184
11.0592
12.25
24.5
25
24
16
12
8
// Point to Data buffer first byte
// Load the buffer with ‘A’, ‘B’, ...
// Increment the address to the next buffer
// Point to LIN0CTRL
// Start Request
// Point to LIN0CTRL
// Select to transmit data
// Point to LIN0ID
// Load the ID, in this example 0x11
// Point to LIN0SIZE
Rev. 1.1
Prescaler
// Load the size with 8
1
1
1
1
1
0
0
0
0
Divider
312
306
300
276
200
306
300
276
200
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