C8051F226-TB Silicon Laboratories Inc, C8051F226-TB Datasheet - Page 104
C8051F226-TB
Manufacturer Part Number
C8051F226-TB
Description
BOARD PROTOTYPING W/C8051F226
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F226-TB
Contents
Board
Processor To Be Evaluated
C8051F22x and C8051F23x
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F226
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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C8051F2xx
104
Bit7:
Bit6:
Bits 5–2: UNUSED. Read = 0000b, Write = don't care.
Bit1:
Bit0:
Bit 7:
Bit 6:
Bit 5:
Bit 4:
Bit 3:
Bits 2–1: UNUSED. Read = 00b, Write = don't care.
Bit 0:
GWPUD P3WPUD P2WPUD P1WPUD P0WPUD
R/W
Bit7
Bit7
R
-
UNUSED. Read = 0.
SYSCKE: SYSCLK Output Enable Bit
0: SYSCLK unavailable at the port pin.
1: SYSCLK output routed to pin P1.6
CP1OEN: Comparator 1 Output Enable bit.
0: CP1 unavailable at Port pin.
1: CP1 routed to Port Pin P1.5.
CP0OEN: Comparator 0 Output Enable Bit
0: CP0 unavailable at port pin.
1: CP0 routed to port pin P1.2.
GWPUD: Global Port I/O Weak Pull-up Disable Bit
0: Weak Pull-ups Enabled for all ports.
1: Weak Pull-ups Disabled (Bits 6–3 Don't cares)
P3WPUD: Port 3 Weak Pull-up Disable Bit
0: Weak Pull-ups Enabled for port 3
1: Weak Pull-ups Disabled for port 3
P2WPUD: Port 2 Weak Pull-up Disable Bit
0: Weak Pull-ups Enabled for port 2.
1: Weak Pull-ups Disabled for port 2
P1WPUD: Port 1 Weak Pull-up Disable Bit
0: Weak Pull-ups Enabled for port 1
1: Weak Pull-ups Disabled for port 1
P0WPUD: Port 0 Weak Pull-up Disable Bit
0: Weak Pull-ups Enabled for port 0
1: Weak Pull-ups Disabled for port 0
SPI0OEN: SPI Bus I/O Enable Bit.
0: SPI I/O unavailable at port pins.
1: SCK, MISO, MOSI, NSS routed to pins P2.0, P2.1, P2.2, and P2.3 respectively.
SYSCKE
R/W
R/W
Bit6
Bit6
SFR Definition 14.2. PRT1MX: Port I/O MUX Register 1
SFR Definition 14.3. PRT2MX: Port I/O MUX Register 2
R/W
Bit5
Bit5
R
-
R/W
Bit4
Bit4
R
-
Rev. 1.6
R/W
Bit3
Bit3
R
-
R/W
Bit2
Bit2
R
-
-
CP1OEN CP0OEN
R/W
R/W
Bit1
Bit1
-
SPI0OEN
R/W
R/W
Bit0
Bit0
SFR Address:
SFR Address:
Reset Value
Reset Value
00000000
00000000
0xE3
0xE2
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