C8051F52x-53x
P0
P1
SF Signals
TSSOP 20 and QFN 20
PIN I/O
TX0
0
1
2
3
4* 5*
6
7
0
1
2
3
4
5
6
7
RX0
SCK
MISO
MOSI
NSS**
LIN-TX
LIN-RX
CP0
CP0A
/SYSCLK
CEX0
CEX1
CEX2
ECI
T0
T1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
P0SKIP[0:7]
P1SKIP[0:7] = 0x03
Port pin potentially assignable to peripheral
Special Function Signals are not assigned by the crossbar.
SF Signals
When these signals are enabled, the CrossBar must be manually configured
to skip their corresponding port pins.
*Note: Refer to Section “21. Revision Specific Behavior” on page 215.
**Note: 4-Wire SPI Only.
Figure 14.4. Crossbar Priority Decoder with Crystal Pins Skipped
(TSSOP 20 and QFN 20)
120
Rev. 0.3
SILICON [ SILICON ]
