C8051F902-GM Silicon Laboratories Inc, C8051F902-GM Datasheet - Page 87

• Manufacturer Part Number: C8051F902-GM
• Description: IC MCU 8BIT 8KB FLASH 24QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F9xxr

Specifications of C8051F902-GM

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 24-QFN
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 3.6 V
• Data Converters: A/D 15x10/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F9x
• Core: 8051
• Data Ram Size: 768 B
• Interface Type: UART
• Maximum Clock Frequency: 25 MHz
• Number Of Timers: 4
• Operating Supply Voltage: 0.9 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F912DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit
• Package: 24QFN EP
• Device Core: 8051
• Family Name: C8051F90x
• Maximum Speed: 25 MHz
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1848-5

SFR Definition 6.2. IREF0CF: Current Reference Configuration
SFR Page = 0xF; SFR Address = 0xB9
6.2.
See Table 4.13 on page 57 for a detailed listing of IREF0 specifications.
Name
Reset
Type
Bit
6:3
2:0
7
Bit
IREF0 Specifications
PWMSS[2:0]
PWMEN
PWMEN
Unused
R/W
Name
7
0
R/W
PWM Enhanced Mode Enable.
Enables the PWM Enhanced Mode. Only available on ‘F912 and ‘F902 devices.
0: PWM Enhanced Mode disabled.
1: PWM Enhanced Mode enabled.
Unused.
Read = 00b, Write = don’t care.
PWM Source Select.
Selects the PCA channel to use for the fine-tuning control signal. Only available
on ‘F912 and ‘F902 devices.
000: CEX0 selected as fine-tuning control signal.
001: CEX1 selected as fine-tuning control signal.
010: CEX2 selected as fine-tuning control signal.
011: CEX3 selected as fine-tuning control signal.
100: CEX4 selected as fine-tuning control signal.
101: CEX5 selected as fine tuning control signal.
All Other Values: Reserved.
6
0
R/W
5
0
R/W
Rev. 1.0
4
0
C8051F91x-C8051F90x
Function
R/W
3
0
2
0
PWMSS[2:0]
R/W
1
0
0
0
87