C8051F321-GMR

Cross Number:

Item Description: 16KB,10ADC,USB,28PIN MCU (LEAD FREE) MLP28 -40 TO 85 DEG.
Additional Information:

Qty Price
1 - 28 $5.28000
29 - 71 $4.20000
72 - 138 $3.96000
139 - 210 $3.68000
211 + $3.28000





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Manufacturer Date Code Qty Available Qty
Silicon General 0603
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

Full Speed USB, 16 k ISP FLASH MCU Family
C8051F320/1
Rev. 1.4 8/09 Copyright © 2009 by Silicon Laboratories C8051F32x
Analog Peripherals
- 10-Bit ADC
Up to 200 ksps
Up to 17 or 13 external single-ended or differential
inputs
VREF from external pin, internal reference, or VDD
Built-in temperature sensor
External conversion start input
- Two Comparators
- Internal Voltage Reference
- POR/Brown-Out Detector
USB Function Controller
-
USB specification 2.0 compliant
- Full speed (12 Mbps) or low speed (1.5 Mbps)
operation
- Integrated clock recovery; no external crystal
required for full speed or low speed
- Supports eight flexible endpoints
- 1 kB USB buffer memory
- Integrated transceiver; no external resistors required
On-Chip Debug
-
On-chip debug circuitry facilitates full speed,
non-intrusive in-system debug (no emulator required)
- Provides breakpoints, single stepping,
inspect/modify memory and registers
- Superior performance to emulation systems using
ICE-chips, target pods, and sockets
Voltage Regulator Input: 4.0 to 5.25 V
High Speed 8051 µC Core
-
Pipelined instruction architecture; executes 70% of
instructions in 1 or 2 system clocks
- Up to 25 MIPS throughput with 25 MHz clock
- Expanded interrupt handler
Memory
-
2304 bytes internal RAM (1k + 256 + 1k USB FIFO)
- 16 kB Flash; In-system programmable in 512-byte
sectors
Digital Peripherals
-
25/21 Port I/O; All 5 V tolerant with high sink current
- Hardware enhanced SPI™, enhanced UART, and
SMBus™ serial ports
- Four general purpose 16-bit counter/timers
- 16-bit programmable counter array (PCA) with five
capture/compare modules
- Real time clock mode using external clock source
and PCA or timer
Clock Sources
-
Internal Oscillator: 0.25% accuracy with clock
recovery enabled. Supports all USB and UART
modes
- External oscillator: Crystal, RC, C, or Clock
(1 or 2 pin modes)
- Can switch between clock sources on-the-fly;
useful in power saving strategies
RoHS Compliant Packages
-
32-pin LQFP (C8051F320)
- 28-pin QFN (C8051F321)
Temperature Range: –40 to +85 °C
ANALOG
PERIPHERALS
10-bit
200 ksps
ADC
16 kB
ISP FLASH
2304 B
SRAM
POR
DEBUG
CIRCUITRY
16
INTERRUPTS
8051 CPU
(25MIPS)
DIGITAL I/O
PRECISION INTERNAL
OSCILLATOR
HIGH-SPEED CONTROLLER CORE
A
M
U
X
CROSSBAR
+
-
WDT
+
-
USB Controller /
Transceiver
UART
SMBus
PCA
Timer 0
Timer 1
Timer 2
Timer 3
SPI
Port 0
Port 1
Port 2
Port 3
TEMP
SENSOR
VREGVREF
C8051F320/1
2 Rev. 1.4
Rev. 1.4 3
C8051F320/1
Table of Contents
1. System Overview.................................................................................................... 15
1.1. CIP-51™ Microcontroller Core.......................................................................... 18
1.1.1. Fully 8051 Compatible.............................................................................. 18
1.1.2. Improved Throughput............................................................................... 18
1.1.3. Additional Features .................................................................................. 18
1.2. On-Chip Memory............................................................................................... 19
1.3. Universal Serial Bus Controller......................................................................... 20
1.4. Voltage Regulator ............................................................................................. 21
1.5. On-Chip Debug Circuitry................................................................................... 21
1.6. Programmable Digital I/O and Crossbar........................................................... 22
1.7. Serial Ports ....................................................................................................... 23
1.8. Programmable Counter Array........................................................................... 23
1.9. 10-Bit Analog to Digital Converter..................................................................... 24
1.10.Comparators..................................................................................................... 25
2. Absolute Maximum Ratings .................................................................................. 27
3. Global Electrical Characteristics .......................................................................... 28
4. Pinout and Package Definitions............................................................................ 30
5. 10-Bit ADC (ADC0).................................................................................................. 39
5.1. Analog Multiplexer ............................................................................................ 40
5.2. Temperature Sensor......................................................................................... 41
5.3. Modes of Operation .......................................................................................... 43
5.3.1. Starting a Conversion............................................................................... 43
5.3.2. Tracking Modes........................................................................................ 44
5.3.3. Settling Time Requirements..................................................................... 45
5.4. Programmable Window Detector...................................................................... 50
5.4.1. Window Detector In Single-Ended Mode ................................................. 52
5.4.2. Window Detector In Differential Mode...................................................... 53
6. Voltage Reference.................................................................................................. 55
7. Comparators ......................................................................................................... 57
8. Voltage Regulator (REG0)...................................................................................... 67
8.1. Regulator Mode Selection................................................................................. 67
8.2. VBUS Detection................................................................................................ 67
9. CIP-51 Microcontroller .......................................................................................... 71
9.1. Instruction Set................................................................................................... 72
9.1.1. Instruction and CPU Timing ..................................................................... 72
9.1.2. MOVX Instruction and Program Memory ................................................. 73
9.2. Memory Organization........................................................................................ 77
9.2.1. Program Memory...................................................................................... 77
9.2.2. Data Memory............................................................................................ 78
9.2.3. General Purpose Registers...................................................................... 78
9.2.4. Bit Addressable Locations........................................................................ 78
9.2.5. Stack ....................................................................................................... 78
9.2.6. Special Function Registers....................................................................... 79
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