C8051F321 Silicon Laboratories Inc, C8051F321 Datasheet - Page 251
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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Bits 7-0: PCA0L: PCA Counter/Timer Low Byte.
Bits 7-0: PCA0H: PCA Counter/Timer High Byte.
R/W
R/W
Bit7
Bit7
The PCA0L register holds the low byte (LSB) of the 16-bit PCA Counter/Timer.
The PCA0H register holds the high byte (MSB) of the 16-bit PCA Counter/Timer.
R/W
R/W
Bit6
Bit6
Figure 20.15. PCA0H: PCA Counter/Timer High Byte
Figure 20.14. PCA0L: PCA Counter/Timer Low Byte
R/W
R/W
Bit5
Bit5
R/W
R/W
Bit4
Bit4
R/W
R/W
Bit3
Bit3
Rev. 1.1
R/W
R/W
Bit2
Bit2
R/W
R/W
Bit1
Bit1
C8051F320/1
R/W
R/W
Bit0
Bit0
SFR Address:
SFR Address:
00000000
00000000
Reset Value
Reset Value
0xFA
0xF9
251
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