PICkit? Serial Analyzer User’s Guide
TABLE 9-5:
CMD
TAG BYTE 0x01 COMMAND CODES
Description
0x00
0x01
0x02
0x03
0x04
0x05
0x06
Master Reset: EXEC Reset, COMM Reset (idled)
COMM initialization: COMM is initialized as defined by CONTROL_BLOCK
Request EXEC_STATUS_PACKET (Ref. Table 9-6)
Save CONTROL_BLOCK to EEPROM
Restore CONTROL_BLOCK from EEPROM
Flush CBUF2
COMM Reset: rest buffers, clear status block (COMM hardware is not re-initialized)
TABLE 9-6:
EXEC STATUS PACKET
Byte
LEN
Type
Description
0
2
5
30
51
1
4
29
50
57
2
3
25
21
7
0x88
0x81
0x82
0x83
0x84
PACKET ID = 0x01
FIRMWARE VERSION
CONTROL BLOCK
STATUS BLOCK
CBUF STATUS
TAG byte 0x02 writes the 24-byte CONTROL_BLOCK (the EXEC portion of the control
block appears in Table 9-7).
TABLE 9-7:
EXEC CONTROL BLOCK
Byte
0
1
2
3
4
Bit
7:0
0
1
2
3
4
5
6
7
7:0
0
1
2
3
4
5
6
7
7:0
7:0
7:0
Description
EXEC control bits
1 = Disable default behavior – LED2
1 = Disable default behavior – LED1
1 = Flush CBUF2 on count [e.g. CBUF2 >= N bytes then flush]
1 = Flush CBUF2 on time intervals
1 = Enable switch test
n/a
n/a
n/a
n/a
n/a
n/a
n/a
CBUF2 flush count threshold [e.g., CBUF2 > N bytes then
flush]
CBUF2 flush interval [res: 409 μ s, min: 409 μ s, max: 104 μ s] a
value of ‘ 0 ’ defaults to ‘ 1 ’, (i.e., the minimum)
DS51647A-page 76
5
6
7
7:0
7:0
7:0
? 2007 Microchip Technology Inc.
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