C8051F121 Silicon Laboratories Inc, C8051F121 Datasheet - Page 283

• Manufacturer Part Number: C8051F121
• Description: IC 8051 MCU FLASH 128K 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F12xr

Specifications of C8051F121

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 100MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

* SCK is shown for CKPOL = 0. SCK is the opposite polarity for CKPOL = 1.
MISO
SCK*
MOSI
* SCK is shown for CKPOL = 0. SCK is the opposite polarity for CKPOL = 1.
SCK*
MISO
MOSI
Figure 20.8. SPI Master Timing (CKPHA = 0)
Figure 20.9. SPI Master Timing (CKPHA = 1)
T
T
MCKH
MCKH
T
MIS
T
T
MCKL
MCKL
Rev. 1.4
T
MIS
C8051F120/1/2/3/4/5/6/7
T
MIH
C8051F130/1/2/3
T
MIH
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