C8051T633-GM Silicon Laboratories Inc, C8051T633-GM Datasheet - Page 43

• Manufacturer Part Number: C8051T633-GM
• Description: IC MCU 4KB 20PIN QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051T63xr

Specifications of C8051T633-GM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: OTP
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• Processor Series: C8051T6x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: UART, SPI, SMBus
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 4 x 16-bit
• Operating Supply Voltage: 1.8 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: C8051T630DK
• Minimum Operating Temperature: - 40 C
• For Use With: 336-1464 - KIT DEV FOR C8051T630 FAMILY
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1461-5

6.5. ADC0 Analog Multiplexer (C8051T630/2/4 only)
ADC0 on the C8051T630/2/4 uses an analog input multiplexer to select the positive input to the ADC. Any
of the following may be selected as the positive input: Port 0 and 1 I/O pins, the on-chip temperature sen-
sor, or the positive power supply (V
described in SFR Definition 6.9.
Important Note About ADC0 Input Configuration: Port pins selected as ADC0 inputs should be config-
ured as analog inputs, and should be skipped by the Digital Crossbar. To configure a Port pin for analog
input, set to 0 the corresponding bit in register PnMDIN. To force the Crossbar to skip a Port pin, set to 1
the corresponding bit in register PnSKIP. See Section “20. Port Input/Output” on page 109 for more Port
I/O configuration details.
Sensor
Temp
Figure 6.6. ADC0 Multiplexer Block Diagram
P0.0
P1.7
VDD
DD
). The ADC0 input channel is selected in the AMX0P register
AMX0P
Rev. 1.0
AMUX
C8051T630/1/2/3/4/5
ADC0
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