Document
C8051F310/1/2/3/4/5/6/7
8/16 kB ISP Flash MCU Family
Analog Peripherals
- 10-Bit ADC (C8051F310/1/2/3/6 only)
• Up to 200 ksps • Up to 21, 17, or 13 external single-ended or differen-
tial inputs • VREF from external pin or VDD • Built-in temperature sensor • External conversion start input
- Comparators
• Programmable hysteresis and response time • Configurable as interrupt or reset source (Compara-
tor0) • Low current ( 0.5 µA)
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
- Complete development kit
Supply Voltage 2.7 to 3.6 V
- Typical operating current: 5 mA at 25 MHz;
11 µA at 32 kHz
- Typical stop mode current: 0.1 µA
- Temperature range:
–40 to +85 °C
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 - 1280 bytes internal data RAM (1024 + 256)
- 16 kB (C8051F310/1/6/7) or 8 kB (C8051F312/3/4/5) Flash; In-system programmable in 512-byte sectors
Digital Peripherals - 29/25/21 Port I/O;
All 5 V tolerant with high sink current
- Hardware enhanced UART, SMBus™, and SPI™ serial ports
- Four general purpose 16-bit counter/timers
- 16-bit programmable counter array (PCA) with five capture/compare modules
- Real time clock capability using PCA or timer and external clock source
Clock Sources - Internal oscillator: 24.5 MHz with ±2% accuracy
supports crystal-less UART operation
- External oscillator: Crystal, RC, C, or clock (1 or 2 pin modes)
- Can switch between clock sources on-the-fly; useful in power saving modes
Packages - 32-pin LQFP (C8051F310/2/4)
- 28-pin QFN (C8051F311/3/5)
- 24-pin QFN (C8051F316/7)
ANALOG PERIPHERALS
A M U X
10-bit 200ksps
ADC
+
+
TEMP SENSOR
C8051F310/1/2/3/6 only
-
VOLTAGE COMPARATORS
DIGITAL I/O
UART SMBus
SPI PCA Timer 0 Timer 1 Timer 2 Timer 3
CROSSBAR
Port 0 Port 1 Port 2 Port 3
PROGRAMMABLE PRECISION INTERNAL OSCILLATOR
HIGH-SPEED CONTROLLER CORE
16 kB/8 kB ISP FLASH
14 INTERRUPTS
8051 CPU (25MIPS)
DEBUG CIRCUITRY
1280 B SRAM
POR WDT
Rev. 1.8 10/17
Copyright © 2017 by Silicon Laboratories
C8051F31x
C8051F310/1/2/3/4/5/6/7
NOTES:
2 Rev. 1.8
C8051F310/1/2/3/4/5/6/7
Table Of Contents
1. System Overview.................................................................................................... 17 1.1. CIP-51™ Microcontroller Core.......................................................................... 27 1.1.1. Fully 8051 Compatible.............................................................................. 27 1.1.2. Improved Throughput ............................................................................... 27 1.1.3. Additional Features .................................................................................. 28 1.2. On-Chip Memory............................................................................................... 29 1.3. On-Chip Debug Circuitry................................................................................... 30 1.4. Programmable Digital I/O and Crossbar ........................................................... 31 1.5. Serial Ports ....................................................................................................... 32 1.6. Programmable Counter Array ........................................................................... 32 1.7. 12-Bit Analog to Digital Converter..................................................................... 33 1.8. Comparators ..................................................................................................... 34
2. Absolute Maximum Ratings .................................................................................. 35 3. Global DC Electrical Characteristics .................................................................... 36 4. Pinout and Package Definitions............................................................................ 39 5. 12-Bit ADC (ADC0, C8051F310/1/2/3/6 only) ........................................................ 51
5.1. Analog Multiplexer ............................................................................................ 51 5.2. Temperature Sensor ......................................................................................... 52 5.3. Modes of Operation .......................................................................................... 54
5.3.1. Starting a Conversion............................................................................... 54 5.3.2. Tracking Modes........................................................................................ 55 5.3.3. Settling Time Requirements .................................................