C8051F321-GMR Silicon Laboratories Inc, C8051F321-GMR Datasheet - Page 139
C8051F321-GMR
Manufacturer Part Number
C8051F321-GMR
Description
IC 8051 MCU 16K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Specifications of C8051F321-GMR
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
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2.25 KB
Interface Type
I2C, SMBus, SPI, UART, USB
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
21
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F320DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel / 10 bit, 7 Channel
Package
28MLP
Device Core
8051
Family Name
C8051F321
Maximum Speed
25 MHz
Operating Supply Voltage
3.3 V
For Use With
336-1480 - DAUGHTER CARD TOOLSTCK C8051F321336-1449 - ADAPTER PROGRAM TOOLSTICK F321336-1260 - DEV KIT FOR C8051F320/F321
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
Part Number:
C8051F321-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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15. Universal Serial Bus Controller (USB)
C8051F320/1 devices include a complete Full/Low Speed USB function for USB peripheral implementa-
tions*. The USB Function Controller (USB0) consists of a Serial Interface Engine (SIE), USB Transceiver
(including matching resistors and configurable pull-up resistors), 1k FIFO block, and clock recovery mech-
anism for crystal-less operation. No external components are required. The USB Function Controller and
Transceiver is Universal Serial Bus Specification 2.0 compliant.
Note: This document assumes a comprehensive understanding of the USB Protocol. Terms and abbreviations used
*Note: The C8051F320/1 cannot be used as a USB Host device.
D+
D-
in this document are defined in the USB Specification. We encourage you to review the latest version of the
USB Specification before proceeding.
VDD
Transceiver
Figure 15.1. USB0 Block Diagram
Transfer
Control
Data
Serial Interface Engine (SIE)
Rev. 1.4
IN
Endpoint0
Endpoint1
IN/OUT
IN
Endpoint2
USB FIFOs
(1k RAM)
IN
Endpoint3
OUT
OUT
OUT
Status, and
Registers
Interrupt
Control,
USB
C8051F320/1
CIP-51 Core
139
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