C8051F121-GQR Silicon Laboratories Inc, C8051F121-GQR Datasheet - Page 119
![no-image](/images/manufacturer_photos/0/6/609/silicon_laboratories_inc_sml.jpg)
C8051F121-GQR
Manufacturer Part Number
C8051F121-GQR
Description
IC 8051 MCU FLASH 128K 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F12xr
Specifications of C8051F121-GQR
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
Processor Series
C8051F1x
Core
8051
Data Bus Width
8 bit
Data Ram Size
8.25 KB
Interface Type
I2C, SMBus, SPI, UART
Maximum Clock Frequency
100 MHz
Number Of Programmable I/os
32
Number Of Timers
5
Operating Supply Voltage
2.7 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
C8051F120DK
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 8 Channel
On-chip Dac
12 bit, 2 Channel
For Use With
336-1224 - DEVKIT-F120/21/22/23/24/25/26/27
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F121-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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10. Comparators
Two on-chip programmable voltage comparators are included, as shown in Figure 10.1. The inputs of each
comparator are available at dedicated pins. The output of each comparator is optionally available at the
package pins via the I/O crossbar. When assigned to package pins, each comparator output can be pro-
grammed to operate in open drain or push-pull modes. See
Priority Crossbar Decoder” on page 238
CP0+
CP0-
CP1+
CP1-
Figure 10.1. Comparator Functional Block Diagram
CP0HYN1
CP0HYN0
CP1HYN1
CP1HYN0
CP0HYP1
CP0HYP0
CP1HYP1
CP1HYP0
CP0MD1
CP0MD0
CP0OUT
CP1MD1
CP1MD0
CP1OUT
CP0RIE
CP1RIE
CP0FIE
CP0RIF
CP0FIF
CP1FIE
CP1RIF
CP1FIF
CP0EN
CP1EN
for Crossbar and port initialization details.
CP0MD
CP1MD
Rev. 1.4
C8051F120/1/2/3/4/5/6/7
+
-
+
-
AV+
AV+
Section “18.1. Ports 0 through 3 and the
AGND
AGND
C8051F130/1/2/3
Decision
(SYNCHRONIZER)
(SYNCHRONIZER)
Reset
D
D
Tree
CLR
CLR
SET
SET
Q
Q
Q
Q
D
D
SET
CLR
SET
CLR
Q
Q
Q
Q
Crossbar
Crossbar
Interrupt
Interrupt
Handler
Handler
119
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