C8051F017R Silicon Laboratories Inc, C8051F017R Datasheet - Page 114
C8051F017R
Manufacturer Part Number
C8051F017R
Description
IC 8051 MCU 32K FLASH 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F01xr
Specifications of C8051F017R
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
8
Program Memory Size
32KB (32K 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 4x10b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
336-1042-2
Q1057388
Q1057388
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F017R
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Figure 16.2 shows a typical SMBus configuration. The SMBus interface will work at any voltage between 3.0V
and 5.0V and different devices on the bus may operate at different voltage levels. The SCL (serial clock) and SDA
(serial data) lines are bi-directional. They must be connected to a positive power supply voltage through a pull-up
resistor or similar circuit. When the bus is free, both lines are pulled high. Every device connected to the bus must
have an open-drain or open-collector output for both the SCL and SDA lines. The maximum number of devices on
the bus is limited only by the requirement that the rise and fall times on the bus will not exceed 300ns and 1000ns,
respectively.
16.1.
It is assumed the reader is familiar with or has access to the following supporting documents:
1. The I
2. The I
3. System Management Bus Specification -- Version 1.1, SBS Implementers Forum.
Supporting Documents
VDD = 5V
2
2
C-bus and how to use it (including specifications), Philips Semiconductor.
C-Bus Specification -- Version 2.0, Philips Semiconductor.
Figure 16.2. Typical SMBus Configuration
VDD = 3V
Master
Device
Rev. 1.7
Device 1
VDD = 5V
Slave
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
Device 2
VDD = 3V
Slave
SDA
SCL
114
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