C8051F320-TB Silicon Laboratories Inc, C8051F320-TB Datasheet - Page 20
C8051F320-TB
Manufacturer Part Number
C8051F320-TB
Description
BOARD PROTOTYPING W/C8051F320
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F320-TB
Contents
Board
Processor To Be Evaluated
C8051F320/F321
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F320
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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C8051F320/1
1.3.
The Universal Serial Bus Controller (USB0) is a USB 2.0 compliant Full or Low Speed function with inte-
grated transceiver and endpoint FIFO RAM. A total of eight endpoint pipes are available: a bi-directional
control endpoint (Endpoint0) and three pairs of IN/OUT endpoints (Endpoints1-3 IN/OUT).
A 1k block of XRAM is used as dedicated USB FIFO space. This FIFO space is distributed among
Endpoints0–3; Endpoint1–3 FIFO slots can be configured as IN, OUT, or both IN and OUT (split mode).
The maximum FIFO size is 512 bytes (Endpoint3).
USB0 can be operated as a Full or Low Speed function. On-chip 4x Clock Multiplier and clock recovery cir-
cuitry allow both Full and Low Speed options to be implemented with the on-chip precision oscillator as the
USB clock source. An external oscillator source can also be used with the 4x Clock Multiplier to generate
the USB clock. The CPU clock source is independent of the USB clock.
20
0x3DFF
0x3E00
0x0000
Universal Serial Bus Controller
PROGRAM/DATA MEMORY
Programmable in 512
Byte Sectors)
RESERVED
16 K Flash
(In-System
(Flash)
Figure 1.4. On-Board Memory Map
0xFFFF
0x07FF
0x03FF
0x0800
0x0400
0x0000
0xFF
0x7F
0x2F
0x1F
0x80
0x30
0x20
0x00
Rev. 1.4
0x0000 to 0x07FF, wrapped
XRAM - 1024 Bytes
Same 2048 bytes as from
(accessable using MOVX
(Indirect Addressing
(Direct and Indirect
EXTERNAL DATA ADDRESS SPACE
INTERNAL DATA ADDRESS SPACE
on 2 kB boundaries
General Purpose
Upper 128 RAM
Bit Addressable
USB FIFOs
1024 Bytes
Addressing)
instruction)
Registers
Only)
DATA MEMORY (RAM)
(Direct Addressing Only)
Special Function
Lower 128 RAM
(Direct and Indirect
Addressing)
Register's
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