C8051F321 Silicon Laboratories Inc, C8051F321 Datasheet - Page 18
![IC 8051 MCU 16K FLASH 28MLP](/photos/6/93/69391/sl-28-mlp_sml.jpg)
C8051F321
Manufacturer Part Number
C8051F321
Description
IC 8051 MCU 16K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Datasheet
1.C8051F320R.pdf
(256 pages)
Specifications of C8051F321
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
21
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F321
Manufacturer:
SILICON
Quantity:
249
Part Number:
C8051F321
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
C8051F321-GM
Manufacturer:
SiliconL
Quantity:
4 364
Part Number:
C8051F321-GM
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Part Number:
C8051F321-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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C8051F320/1
18
/RST/C2CK
REGIN
VBUS
VDD
GND
D+
D-
XTAL1 XTAL2
Recovery
Oscillator
Oscillator
Clock
External
Internal
12MHz
Circuit
Analog/Digital
C2D
5.0V
Power
IN
POR
Regulator
Voltage
OUT
1,2,3,4
Debug HW
Transceiver
Brown-
Out
x4
USB
2
Figure 1.1. C8051F320 Block Diagram
Enable
2
USB Clock
1K byte USB
Controller
SRAM
USB
System
Clock
Reset
C
8
0
5
1
o
e
r
SFR Bus
Rev. 1.1
256 byte
16kbyte
1K byte
FLASH
SRAM
XRAM
VDD
VREF
0,1,2,3 /
10-bit
200ksps
ADC
SMBus
Port 0
Port 1
UART
Port 2
Port 3
Latch
Latch
Timer
Latch
Latch
PCA/
WDT
RTC
SPI
VREF
CP0
CP1
Temp
M
A
U
X
+
+
-
-
C
R
O
S
S
B
A
R
VREF
VDD
AIN0-AIN16
D
D
P
0
D
P
1
D
P
2
P
3
r
v
r
v
r
v
r
v
P3.0/C2D
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4
P0.5
P0.6/CNVSTR
P0.7/VREF
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
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