C8051F351-GMR Silicon Laboratories Inc, C8051F351-GMR Datasheet - Page 83
![IC 8051 MCU 8K FLASH 28MLP](/photos/6/93/69391/sl-28-mlp_sml.jpg)
C8051F351-GMR
Manufacturer Part Number
C8051F351-GMR
Description
IC 8051 MCU 8K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F35xr
Specifications of C8051F351-GMR
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
17
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x24b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
I2C, SMBus, SPI, UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
17
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F350DK
Minimum Operating Temperature
- 40 C
On-chip Adc
24 bit, 8 Channel
On-chip Dac
8 bit, 2 Channel
For Use With
336-1083 - DEV KIT FOR F350/351/352/353
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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- Download datasheet (2Mb)
9.1.
Figure 9.3 shows the external pin connections for the comparator. The positive and negative inputs to the
comparator can each be routed to one of eight different pins using the comparator mux. Comparator out-
puts can optionally be routed to port pins using the Crossbar circuitry.
The comparator inputs (CP0+ and CP0–) are selected in the CPT0MX register (SFR Definition 9.3). The
CMX0P1–CMX0P0 bits select the comparator’s positive input; the CMX0N1–CMX0N0 bits select the com-
parator’s negative input. Important Note About Comparator Inputs: The Port pins selected as compara-
tor inputs should be configured as analog inputs in their associated Port configuration register, and
configured to be skipped by the Crossbar.
Two versions of the comparator output can be routed to port pins, using the Port I/O Crossbar. The raw
(asynchronous) comparator output CP0A is enabled using bit 5 in the XBR0 register, and will be available
at P1.4. The CP0 output (synchronized to SYSCLK) is available at P1.5 when it is enabled with bit 4 in the
XBR0 register.
Comparator0 Inputs and Outputs
P0.0
P0.2
P0.4
P0.6
P1.0
P1.2
P1.4
P1.6
P0.1
P0.3
P0.5
P0.7
P1.1
P1.3
P1.5
P1.7
Figure 9.3. Comparator Pin Connections
CP0 +
CP0 -
Rev. 1.1
CPT0MX
+
-
GND
VDD
(SYNCHRONIZER)
D
SET
CLR
Q
Q
D
SET
CLR
Q
Q
C8051F350/1/2/3
XBR0
0
1
0
1
CP0A
CP0
P1.5
P1.4
83
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