User manual

PICkit™ Serial Analyzer User’s Guide

TABLE 9-5: TAG BYTE 0x01 COMMAND CODES

TABLE 9-6: EXEC STATUS PACKET

TAG byte 0x02 writes the 24-byte CONTROL_BLOCK (the EXEC portion of the control

block appears in Table 9-7).

CMD Description

0x00 Master Reset: EXEC Reset, COMM Reset (idled)

0x01 COMM initialization: COMM is initialized as defined by CONTROL_BLOCK

0x02 Request EXEC_STATUS_PACKET (Ref. Table 9-6)

0x03 Save CONTROL_BLOCK to EEPROM

0x04 Restore CONTROL_BLOCK from EEPROM

0x05 Flush CBUF2

0x06 COMM Reset: rest buffers, clear status block (COMM hardware is not re-initialized)

Byte LEN Type Description

0 1 2 0x88 PACKET ID = 0x01

2 4 3 0x81 FIRMWARE VERSION

5 29 25 0x82 CONTROL BLOCK

30 50 21 0x83 STATUS BLOCK

51 57 7 0x84 CBUF STATUS

TABLE 9-7: EXEC CONTROL BLOCK

Byte Bit Description

0 7:0 EXEC control bits

4 1 = Disable default behavior – LED2

5 1 = Disable default behavior – LED1

6 1 = Flush CBUF2 on count [e.g. CBUF2 >= N bytes then flush]

7 1 = Flush CBUF2 on time intervals

17:0

0 1 = Enable switch test

1n/a

2n/a

3n/a

4n/a

5n/a

6n/a

7n/a

27:0

3 7:0 CBUF2 flush count threshold [e.g., CBUF2 > N bytes then

flush]

4 7:0 CBUF2 flush interval [res: 409 μs, min: 409 μs, max: 104 μs] a

value of ‘0’ defaults to ‘1’, (i.e., the minimum)

57:0

67:0

77:0