C8051F961-A-GM Silicon Labs, C8051F961-A-GM Datasheet - Page 292

• Manufacturer Part Number: C8051F961-A-GM
• Description: 8-bit Microcontrollers - MCU 128KB, DC-DC, LCD AES, QFN40
• Manufacturer: Silicon Labs

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

C8051F96x
SFR Definition 23.2. OSCICN: Internal Oscillator Control
SFR Page = 0x0; SFR Address = 0xB2
292
Notes:
Name
Reset
Type
Bit
Bit
5:0
7
6
1. Read-modify-write operations such as ORL and ANL must be used to set or clear the enable bit of this
2. OSCBIAS (REG0CN.4) must be set to 1 before enabling the precision internal oscillator.
register.
Reserved Must perform read-modify-write.
IOSCEN
IOSCEN
IFRDY
Name
R/W
7
0
Internal Oscillator Enable.
0: Internal oscillator disabled.
1: Internal oscillator enabled.
Internal Oscillator Frequency Ready Flag.
0: Internal oscillator is not running at its programmed frequency.
1: Internal oscillator is running at its programmed frequency.
IFRDY
R
6
0
Varies
R/W
5
Varies
R/W
Rev. 0.5
4
Function
Varies
R/W
3
Varies
R/W
2
Varies
R/W
1
Varies
R/W
0