Datasheet

Table Of Contents
I
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C™ Master Communications
© 2009 Microchip Technology Inc. DS51647C-page 29
COMM I
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CM BIT RATE
Select the desired I
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C bus bit rate using the drop down box.
FIGURE 4-2: I
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C™ CONFIGURE COMMUNICATIONS MODE – ADVANCED
VIEW
SCRIPT TIME-OUT
When sending scripts, the software will wait a maximum of script time-out ms to receive
a script complete tag before issuing an error. If your I
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C hardware is slow to respond
or you are transferring a lot of data, you may need to increase the script time-out to
avoid errors.
EVENT MARKERS
Abrt Mac Exe – Enable event marker: abort ‘macro’ execution
Macro Loop – Enable event marker: top of ‘macro’ loop
Mac Lp 65536 – Enable event marker: ‘macro’ loop count overflow (i.e., 65536)
Mac Lp Done – Enable event marker: ‘macro’ loop iterations complete
Timeout Timer1 – Enable event marker: Timer1 expired
Timeout Timer2 – Enable event marker: Timer2 expired
Status Error – Enable event marker: change in status byte
Start Bit – Enable event marker: Start bit
Stop Bit – Enable event marker: Stop bit
Restart Bit – Enable event marker: Restart bit
Ack/Nack TX – Enable event marker: ACK or NACK byte transmit
Ack/Nack RX – Enable event marker: ACK or NACK byte received
Write Byte – Enable event marker: write byte
Read Byte – Enable event marker: read byte
TX Error – Enable event marker: TX error
Status Error – Enable event marker: change in I
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C status byte
CAUTION
The USB port current limit is set to 100 mA. If the target plus PICkit Serial Analyzer
exceeds this current limit, the USB port will turn off. The target may be powered
externally if more power is required.