C8051T322-GQR Silicon Labs, C8051T322-GQR Datasheet - Page 142
C8051T322-GQR
Manufacturer Part Number
C8051T322-GQR
Description
8-bit Microcontrollers - MCU USB-OTP-16K-LQFP32
Manufacturer
Silicon Labs
Datasheet
1.C8051T322-GQR.pdf
(292 pages)
Specifications of C8051T322-GQR
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
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C8051T620/621/320/321/322/323
SFR Definition 22.1. XBR0: Port I/O Crossbar Register 0
SFR Address = 0xE1
142
Name
Reset
Bit
Type
7
6
5
4
3
2
1
0
Bit
SYSCKE /SYSCLK Output Enable.
SMB0E
CP1AE
CP0AE
URT0E
SPI0E
Name
CP1E
CP0E
CP1AE
R/W
7
0
Comparator1 Asynchronous Output Enable.
0: Asynchronous CP1 unavailable at Port pin.
1: Asynchronous CP1 routed to Port pin.
Comparator1 Output Enable.
0: CP1 unavailable at Port pin.
1: CP1 routed to Port pin.
Comparator0 Asynchronous Output Enable.
0: Asynchronous CP0 unavailable at Port pin.
1: Asynchronous CP0 routed to Port pin.
Comparator0 Output Enable.
0: CP0 unavailable at Port pin.
1: CP0 routed to Port pin.
The source of this signal is determined by the OUTCLK bit (see SFR Definition 21.1).
0: /SYSCLK unavailable at Port pin.
1: /SYSCLK output routed to Port pin.
SMBus I/O Enable.
0: SMBus I/O unavailable at Port pins.
1: SMBus I/O routed to Port pins.
SPI I/O Enable.
0: SPI I/O unavailable at Port pins.
1: SPI I/O routed to Port pins. Note that the SPI can be assigned either 3 or 4 GPIO
pins.
UART I/O Output Enable.
0: UART I/O unavailable at Port pin.
1: UART TX0, RX0 routed to Port pins P0.4 and P0.5.
CP1E
R/W
6
0
CP0AE
R/W
5
0
CP0E
R/W
Rev. 1.1
4
0
Function
SYSCKE
R/W
3
0
SMB0E
R/W
2
0
SPI0E
R/W
1
0
URT0E
R/W
0
0
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