C8051T322-GQR Silicon Labs, C8051T322-GQR Datasheet - Page 143

• Manufacturer Part Number: C8051T322-GQR
• Description: 8-bit Microcontrollers - MCU USB-OTP-16K-LQFP32
• Manufacturer: Silicon Labs

Specifications of C8051T322-GQR

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

SFR Definition 22.2. XBR1: Port I/O Crossbar Register 1
SFR Address = 0xE2
Name WEAKPUD
Reset
Bit
2:0 PCA0ME[2:0] PCA Module I/O Enable Bits.
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: CEX0, CEX1, CEX2, CEX3 routed to Port pins.
101: CEX0, CEX1, CEX2, CEX3, CEX4 routed to Port pins.
110-111: Reserved.
XBARE
R/W
6
0
R/W
T1E
C8051T620/621/320/321/322/323
5
0
Rev. 1.1
R/W
T0E
4
0
Function
ECIE
R/W
3
0
2
0
PCA0ME[2:0]
R/W
1
0
0
0
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