C8051T323-GMR Silicon Labs, C8051T323-GMR Datasheet - Page 136
C8051T323-GMR
Manufacturer Part Number
C8051T323-GMR
Description
8-bit Microcontrollers - MCU USB-OTP-16K-QFN28
Manufacturer
Silicon Labs
Datasheet
1.C8051T322-GQR.pdf
(292 pages)
Specifications of C8051T323-GMR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
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C8051T620/621/320/321/322/323
22.2.3. Assigning Port I/O Pins to External Digital Event Capture Functions
External digital event capture functions can be used to trigger an interrupt or wake the device from a low
power mode when a transition occurs on a digital I/O pin. The digital event capture functions do not require
dedicated pins and will function on both GPIO pins (PnSKIP = 1) and pins in use by the Crossbar (PnSKIP
= 0). External digital event capture functions cannot be used on pins configured for analog I/O. Table 22.3
shows all available external digital event capture functions.
136
Digital Function
UART0, SPI0, SMBus, CP0,
CP0A, CP1, CP1A,
SYSCLK, PCA0 (CEX0-4
and ECI), T0, T1, or UART1.
Any pin used for GPIO
Table 22.2. Port I/O Assignment for Digital Functions
Any Port pin available for assignment by the
Crossbar. This includes P0.0 - P2.6 pins which
have their PnSKIP bit set to 0.
Note: The Crossbar will always assign UART0
pins to P0.4 and P0.5.
Potentially Assignable Port Pins
Rev. 1.1
P0.0 - P3.0
XBR0, XBR1, XBR2
Suffers) used for
Assignment
PnSKIP
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