C8051F321 Silicon Laboratories Inc, C8051F321 Datasheet - Page 173

• Manufacturer Part Number: C8051F321
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

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: -

VDD = 3.0 to 3.6V, -40°C to +85°C unless otherwise specified
PARAMETERS
TRANSMITTER
Output High Voltage
Output Low Voltage
Output Crossover Point
Output Impedance
Pull-up Resistance
Output Rise Time
Output Fall Time
RECEIVER
Differential Input
Sensitivity
Differential Input Com-
mon Mode Range
Input Leakage Current
Note: Refer to the USB Specification for timing diagrams and symbol definitions.
Table 15.4. USB Transceiver Electrical Characteristics
SYMBOL
V
Z
V
V
V
R
V
T
DRV
T
CRS
I
CM
OH
OL
PU
DI
L
R
F
CONDITIONS
Driving High
Driving Low
Full Speed (D+ Pull-up)
Low Speed (D- Pull-up)
Low Speed
Full Speed
Low Speed
Full Speed
| (D+) - (D-) |
Pullups Disabled
Rev. 1.1
MIN
1.425
2.8
1.3
0.2
0.8
75
75
4
4
TYP
<1.0
1.5
38
38
C8051F320/1
MAX
1.575
300
300
0.8
2.0
2.5
20
20
UNITS
kΩ
µA
ns
ns
V
V
V
Ω
V
V
173