C8051T622-GMR Silicon Labs, C8051T622-GMR Datasheet - Page 106
C8051T622-GMR
Manufacturer Part Number
C8051T622-GMR
Description
8-bit Microcontrollers - MCU USB-OTP-16K-QFN24
Manufacturer
Silicon Labs
Datasheet
1.C8051T622-GMR.pdf
(254 pages)
Specifications of C8051T622-GMR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
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Part Number:
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C8051T622/3 and C8051T326/7
SFR Definition 17.2. XBR1: Port I/O Crossbar Register 1
SFR Address = 0xE2
106
Name WEAKPUD
Reset
2:0 PCA0ME[2:0] PCA Module I/O Enable Bits.
Bit
Type
7
6
5
4
3
Bit
WEAKPUD
XBARE
Name
ECIE
T1E
T0E
R/W
7
0
Port I/O Weak Pullup Disable.
0: Weak Pullups enabled (except for Ports whose I/O are configured for analog
mode).
1: Weak Pullups disabled.
Crossbar Enable.
0: Crossbar disabled.
1: Crossbar enabled.
T1 Enable.
0: T1 unavailable at Port pin.
1: T1 routed to Port pin.
T0 Enable.
0: T0 unavailable at Port pin.
1: T0 routed to Port pin.
PCA0 External Counter Input Enable.
0: ECI unavailable at Port pin.
1: ECI routed to Port pin.
000: All PCA I/O unavailable at Port pins.
001: CEX0 routed to Port pin.
010: CEX0, CEX1 routed to Port pins.
011: CEX0, CEX1, CEX2 routed to Port pins.
100-111: Reserved.
XBARE
R/W
6
0
R/W
T1E
5
0
Rev. 1.1
T0E
R/W
4
0
Function
ECIE
R/W
3
0
2
0
PCA0ME[2:0]
R/W
1
0
0
0
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