C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 197

• Manufacturer Part Number: C8051F581-IMR
• Description: 8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
• Manufacturer: Silicon Labs

Specifications of C8051F581-IMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

SFR Definition 20.4. XBR3: Port I/O Crossbar Register 3
SFR Address = 0xC6; SFR Page = 0x0F
Name
Reset
Bit
2:0
Type
7
6
5
4
3
Bit
PCA1ME[2:0] PCA1 Module I/O Enable Bits.
T5EXE
T4EXE
ECI1E
Name
T5EX
T5EX
T5EXE
R/W
7
0
T5EX Enable.
0: T5EX unavailable at Port pin.
1: T5EX routed to Port pin
T5E Enable.
0: T5E unavailable at Port pin.
1: T5E routed to Port pin
T4EX Enable.
0: T4EX unavailable at Port pin.
1: T4EX routed to Port pin
T4E Enable.
0: T4E unavailable at Port pin.
1: T4E routed to Port pin
PCA1 External Counter Input Enable.
0: ECI1 unavailable at Port pin.
1: ECI1 routed to Port pin.
000: All PCA1 I/O unavailable at Port pins.
001: CEX6 routed to Port pin.
010: CEX6, CEX7 routed to Port pins.
011: CEX6, CEX7, CEX8 routed to Port pins.
100: CEX6, CEX7, CEX8, CEX9 routed to Port pins.
101: CEX6, CEX7, CEX8, CEX9, CEX10 routed to Port pins.
110: CEX6, CEX7, CEX8, CEX9, CEX10, CEX11 routed to Port pins.
111: RESERVED
R/W
T5E
6
0
T4EXE
R/W
5
0
Rev. 1.2
R/W
T4E
4
0
Function
ECI1E
R/W
3
0
C8051F58x/F59x
R/W
2
0
PCA1ME[2:0]
R/W
1
0
R/W
0
0
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