C8051F321 Silicon Laboratories Inc, C8051F321 Datasheet - Page 94
C8051F321
Manufacturer Part Number
C8051F321
Description
IC 8051 MCU 16K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Datasheet
1.C8051F320R.pdf
(256 pages)
Specifications of C8051F321
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
21
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 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Manufacturer
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Part Number:
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Manufacturer:
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Quantity:
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Part Number:
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Manufacturer:
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Part Number:
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94
Bits7-1:
Bit0:
Bits7-1:
Bit0:
R/W
R/W
Bit7
Bit7
-
-
UNUSED. Read = 0000000b. Write = don’t care.
EVBUS: Enable VBUS Level Interrupt.
This bit sets the masking of the VBUS interrupt.
0: Disable all VBUS interrupts.
1: Enable interrupt requests generated by VBUS level sense.
UNUSED. Read = 0000000b. Write = don’t care.
PVBUS: VBUS Level Interrupt Priority Control.
This bit sets the priority of the VBUS interrupt.
0: VBUS interrupt set to low priority level.
1: VBUS interrupt set to high priority level.
R/W
R/W
Bit6
Bit6
-
-
Figure 9.14. EIP2: Extended Interrupt Priority 2
Figure 9.13. EIE2: Extended Interrupt Enable 2
R/W
R/W
Bit5
Bit5
-
-
R/W
R/W
Bit4
Bit4
-
-
Rev. 1.1
R/W
R/W
Bit3
Bit3
-
-
R/W
R/W
Bit2
Bit2
-
-
R/W
R/W
Bit1
Bit1
-
-
EVBUS
PVBUS
R/W
R/W
Bit0
Bit0
SFR Address:
SFR Address:
00000000
00000000
Reset Value
Reset Value
0xE7
0xF7
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