u-blox ZED-F9P - Page 78

u-blox ZED-F9P Interface Description - Manual
Advance Information
Bitfield txReady
This graphic explains the bits of txReady
Name Description
en
Enable TX ready feature for this port
pol
Polarity
0 High-active
1 Low-active
pin
PIO to be used (must not be in use already by another function)
thres
Threshold
The given threshold is multiplied by 8 bytes.
The TX ready PIN goes active after >= thres*8 bytes are pending for the port and going inactive after the last
pending bytes have been written to hardware (0-4 bytes before end of stream).
0x000 no threshold
0x001 8byte
0x002 16byte
...
0x1FE 4080byte
0x1FF 4088byte
Bitfield mode
This graphic explains the bits of mode
Name Description
spiMode
00 SPI Mode 0: CPOL = 0, CPHA = 0
01 SPI Mode 1: CPOL = 0, CPHA = 1
10 SPI Mode 2: CPOL = 1, CPHA = 0
11 SPI Mode 3: CPOL = 1, CPHA = 1
ffCnt
Number of bytes containing 0xFF to receive before switching off reception. Range: 0(mechanism off)-63
Bitfield inProtoMask
This graphic explains the bits of inProtoMask
UBX-18010854 - R04 Advance Information Page 70 of 259