C8051F961-A-GM Silicon Labs, C8051F961-A-GM Datasheet - Page 360
C8051F961-A-GM
Manufacturer Part Number
C8051F961-A-GM
Description
8-bit Microcontrollers - MCU 128KB, DC-DC, LCD AES, QFN40
Manufacturer
Silicon Labs
Datasheet
1.C8051F960-A-GQ.pdf
(492 pages)
Specifications of C8051F961-A-GM
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
128 KB
Data Ram Size
8448 B
On-chip Adc
Yes
Operating Supply Voltage
2.5 V to 3.3 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
QFN-40
Mounting Style
SMD/SMT
Number Of Programmable I/os
34
Number Of Timers
4
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C8051F96x
SFR Definition 27.3. XBR2: Port I/O Crossbar Register 2
SFR Page = 0x0 and 0xF; SFR Address = 0xE3
360
Note: The Crossbar must be enabled (XBARE = 1) to use any Port pin as a digital output.
Name
Reset
Type
Bit
Bit
5:0
7
6
WEAKPUD
WEAKPUD Port I/O Weak Pullup Disable
Unused
XBARE
Name
R/W
7
0
0: Weak Pullups enabled (except for Port I/O pins configured for analog mode).
Crossbar Enable
0: Crossbar disabled.
1: Crossbar enabled.
Read = 000000b; Write = Don’t Care.
XBARE
R/W
6
0
R/W
5
0
Rev. 0.5
R/W
4
0
Function
R/W
3
0
R/W
2
0
R/W
1
0
R/W
0
0
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