C8051F320 Silicon Laboratories Inc, C8051F320 Datasheet - Page 125
C8051F320
Manufacturer Part Number
C8051F320
Description
IC 8051 MCU 16K FLASH 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Datasheet
1.C8051F320R.pdf
(256 pages)
Specifications of C8051F320
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Program Memory Size
16KB (16K 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 17x10b
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F320
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Part Number:
C8051F320
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
C8051F320-GQ
Manufacturer:
SiliconL
Quantity:
18 793
Company:
Part Number:
C8051F320-GQ
Manufacturer:
SILICON
Quantity:
1
Company:
Part Number:
C8051F320-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F320-GQR
Manufacturer:
SiliconL
Quantity:
1 000
Company:
Part Number:
C8051F320-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Part Number:
C8051F320-GQR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
C8051F320DK
Manufacturer:
SiliconL
Quantity:
4
Company:
Part Number:
C8051F320R
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Bit 7:
Bits6-4:
Bits3-2:
Bits1-0:
R/W
Bit7
-
Unused. Read = 0b; Write = don’t care.
USBCLK2-0: USB Clock Select
These bits select the clock supplied to USB0. When operating USB0 in full-speed mode, the selected
clock should be 48 MHz. When operating USB0 in low-speed mode, the selected clock should be
6 MHz.
Unused. Read = 00b; Write = don’t care.
CLKSL1-0: System Clock Select
These bits select the system clock source.
R/W
Bit6
USBCLK
CLKSL
000
001
010
011
100
101
110
111
00
01
10
11
USBCLK
Figure 13.6. CLKSEL: Clock Select Register
R/W
Bit5
R/W
Bit4
Internal Oscillator (as determined by the IFCN
bits in register OSCICN)
R/W
Bit3
4x Clock Multiplier / 2
External Oscillator / 2
External Oscillator / 3
External Oscillator / 4
Internal Oscillator / 2
-
4x Clock Multiplier
Rev. 1.1
External Oscillator
External Oscillator
Selected Clock
Selected Clock
RESERVED
RESERVED
RESERVED
R/W
Bit2
-
R/W
Bit1
CLKSL
C8051F320/1
R/W
Bit0
SFR Address
00000000
Reset Value
0xA9
125