C8051T320-GQR Silicon Labs, C8051T320-GQR Datasheet - Page 139
C8051T320-GQR
Manufacturer Part Number
C8051T320-GQR
Description
8-bit Microcontrollers - MCU USB-OTP-16K-ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051T322-GQR.pdf
(292 pages)
Specifications of C8051T320-GQR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
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Part Number:
C8051T320-GQR
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In this example, the crossbar is configured to assign the UART TX0 and RX0 signals, the SPI
signals, and three PCA signals. Note that the SPI signals are assigned as multiple signals, and
there are no pins skipped using the P0SKIP or P1SKIP registers.
1
2
3
4
All unassigned pins can be used as GPIO or for other non-crossbar functions.
Notes:
1. P2.4-P2.7 are only available in certain packages.
Pin Number
st
nd
rd
th
Figure 22.4. Priority Crossbar Decoder Example 1—No Skipped Pins
TX0 is assigned to P0.4
CEX0, CEX1, and CEX2 are assigned to P0.6, P0.7, and P1.0, respectively.
SYSCLK
SCK, MISO, MOSI, and NSS are assigned to P0.0, P0.1, P0.2, and P0.3, respectively.
Function
RX0 is assigned to P0.5
Pin Skip
These boxes represent the port pins which are used by the peripherals in this configuration.
Settings
Special
Signals
CP0A
CP1A
CEX0
CEX1
CEX2
CEX3
CEX4
MISO
MOSI
SCK
NSS
SDA
RX0
SCL
CP0
CP1
RX1
Port
TX0
TX1
ECI
T0
T1
0
0 0 0 0 0 0 0 0
1 2 3 4 5 6 7 0
P0SKIP
P0
C8051T620/621/320/321/322/323
0 0 0 0 0 0 0 0
1 2 3 4 5 6 7 0
Rev. 1.1
P1SKIP
P1
0 0 0 0 0 0 0 0
1 2 3 4 5 6 7 0
P2SKIP
P2
1
139
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