User manual

PICkit™ Serial Analyzer User’s Guide
DS51647A-page 88 © 2007 Microchip Technology Inc.
TABLE 9-22: BIT RATE CODES
TABLE 9-23: SPI STATUS BLOCK
FOSC
Pre-Scale
Code
Pre-Scale
Value
Scale
Code
Scale
Value
Total Scale
Value
Bit Rate
20 MHz 0x00 8 0x00 182.500MHz
20 MHz 0x00 8 0xFF 256 2048 9.766 kHz
20 MHz 0x01 32 0x00 1320.625MHz
20 MHz 0x01 32 0xFF 256 8192 2.441 kHz
20 MHz 0x02 128 0x00 1 128 0.156 MHz
20 MHz 0x02 128 0xFF 256 32768 0.610 kHz
Byte Bit Description
COMM: SPI
12 7:0 Bit flags: error status
0 WCOL error
1 SSPOV error
2
3
4
5
6
7 Composite error
13 7:0 SPI Configuration bits
0 1 = SMP (sample phase)
1 1 = CKE (clock edge select)
2 1 = CKP (clock polarity)
3 1 = AOD (auto output disable on data input)
4 1 = SS
5 1 =
6 1 = SLAVE
7 1 = MASTER
14 7:0
15 7:0
16 7:0
17 7:0
18 7:0 BIT RATE: Pre-scale (
ref: section: x.x.x)
19 7:0 BIT RATE: Scaling (ref: section: x.x.x)