C8051F349-GMR Silicon Labs, C8051F349-GMR Datasheet - Page 159
![no-image](/images/no-image-200.jpg)
C8051F349-GMR
Manufacturer Part Number
C8051F349-GMR
Description
8-bit Microcontrollers - MCU 25 MIPS 32KB USB MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F349-GMR.pdf
(276 pages)
Specifications of C8051F349-GMR
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
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16. Universal Serial Bus Controller (USB0)
C8051F34x 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: The
D+
D-
Important Note: This document assumes a comprehensive understanding of the USB
Protocol. Terms and abbreviations used in this document are defined in the USB Specifi-
cation. We encourage you to review the latest version of the USB Specification before pro-
ceeding.
VDD
C8051F34x
Transceiver
cannot be used as a USB Host device.
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
Figure 16.1. USB0 Block Diagram
Transfer
Control
Data
Serial Interface Engine (SIE)
Rev. 1.3
IN
Endpoint0
Endpoint1
IN/OUT
IN
Endpoint2
USB FIFOs
(1k RAM)
IN
Endpoint3
OUT
OUT
OUT
Status, and
Registers
Interrupt
Control,
USB
CIP-51 Core
159
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