Datasheet

PICkit™ Serial Analyzer User’s Guide
DS51647C-page 116 © 2009 Microchip Technology Inc.
TABLE 11-35: SPI ‘CMD’ TAG BYTES
Note 1: CS
polarity is determined by control block Configuration bit CSPOL
CSPOL=0, asserting sets CS
= 0, de-asserting sets CS= 1
CSPOL=1, asserting sets CS
= 1, de-asserting sets CS= 0
TABLE 11-36: SPI ‘DATA’ TAG BYTES
Tag/CCMD LEN Name Description
0x83 3 SPI_BITRATE Set bit rate
0 Tag
1 scaler
2 pre-scaler
(ref section x.x.x)
0x84 2 SPI_DATAIO_IN Input data
0 Tag
1 byte count (N)
0x85 N+2 SPI_DATAIO_OUT Output data
0 Tag
1 byte count (N)
2 data
N+1 data
0x86 N+2 SPI_DATAIO_INOUT Output data
0 Tag
1 byte count (N)
2 data
N+1 data
0x87 1 SPI_SDO_IN Set SDO pin to Input (tri-state)
0 Tag
0x88 1 SPI_SDO_OUT Set SDO pin to Output
0 Tag
0x8A 1 SPI_INIT Initialize SPI controller per
Control Block
0 Tag
0x8B 1 SPI__ON Assert CS
(1)
0 Tag
0x8C 1 SPI__OFF De-assert CS
(1)
0 Tag
Tag/CDATA LEN Name Description
0x80 2 SPI_EVENT_BYTE_TX Byte transmit
0 Tag
1 data
0x81 2 SPI_EVENT_BYTE_RX Byte transmit
0 Tag
1 data
0x82 2 SPI_EVENT_STATUS_ERR Status error
0 Tag
1 error byte