C8051T631-GM Silicon Laboratories Inc, C8051T631-GM Datasheet - Page 113
![IC MCU 8KB 20PIN QFN](/photos/12/25/122567/silicon_laboratories_inc-20-qfn_sml.jpg)
C8051T631-GM
Manufacturer Part Number
C8051T631-GM
Description
IC MCU 8KB 20PIN QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051T63xr
Specifications of C8051T631-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
8KB (8K 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
336-1459-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051T631-GM
Manufacturer:
Silicon
Quantity:
91
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20.2.3. Assigning Port I/O Pins to External Digital Event Capture Functions
External digital event capture functions can be used to trigger an interrupt or wake the device from a low
power mode when a transition occurs on a digital I/O pin. The digital event capture functions do not require
dedicated pins and will function on both GPIO pins (PnSKIP = 1) and pins in use by the Crossbar (PnSKIP
= 0). External digital event capture functions cannot be used on pins configured for analog I/O. Table 20.3
shows all available external digital event capture functions.
Digital Function
External Interrupt 0
External Interrupt 1
Port Match
Table 20.3. Port I/O Assignment for External Digital Event Capture Functions
Potentially Assignable Port Pins
Rev. 1.0
P0.0–P0.7
P0.0–P0.7
P0.0–P1.7
C8051T630/1/2/3/4/5
P0MASK, P0MAT
P1MASK, P1MAT
SFR(s) used for
Assignment
IT01CF
IT01CF
113
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