C8051F321R Silicon Laboratories Inc, C8051F321R Datasheet - Page 105

• Manufacturer Part Number: C8051F321R
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F321R

• 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: -
• Other names: 336-1067-2

-40°C to +85°C unless otherwise specified.
/RST Output Low Voltage
/RST Input High Voltage
/RST Input Low Voltage
/RST Input Pull-Up Current
VDD POR Threshold (V
Missing Clock Detector Timeout
Reset Time Delay
Minimum /RST Low Time to
Generate a System Reset
VDD Monitor Turn-on Time
VDD Monitor Supply Current
PARAMETER
RST
)
Table 10.1. Reset Electrical Characteristics
I
/RST = 0.0 V
Time from last system clock rising
edge to reset initiation
Delay between release of any reset
source and code execution at location
0x0000
OL
= 8.5 mA, VDD = 2.7 V to 3.6 V
CONDITIONS
Rev. 1.1
VDD
MIN
0.7 x
2.40
100
100
5.0
15
TYP
2.55
220
25
20
C8051F320/1
MAX
VDD
0.3 x
2.70
500
0.6
40
50
UNITS
µA
µA
µs
µs
µs
µs
V
V
V
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