C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
Table 15.1. Crossbar Priority Decode
P0
P1
P2
PIN I/O 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7
SDA
●
SCL
●
SCK ● ●
MISO
●●
MOSI
●●
NSS
●●
TX ● ● ● ●
RX
●●●●
CEX0 ● ● ● ● ●
CEX1
●●●●●
CEX2
●●●●●
CEX3
●●●●●
CEX4
●●●●●
ECI ● ● ● ● ● ● ● ● ● ● ● ● ● ●
CP0 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
CP1 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
T0 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
/INT0 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
T1 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
/INT1 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
T2 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
T2EX ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
/SYSCLK ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
CNVSTR ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
In the Priority Decode Table, a dot (•) is used to show the external Port I/O pin (column) to which each signal (row)
can be assigned by the user application code via programming registers XBR2, XBR1, and XBR0.
105
Rev. 1.7