C8051F321 Silicon Laboratories Inc, C8051F321 Datasheet - Page 142

• 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: -

C8051F320/1
142
VDD = 2.7 to 3.6V, -40°C to +85°C unless otherwise specified
PARAMETERS
Input Leakage Current
Output High Voltage
Output Low Voltage
Bits7-1:
Bit0:
Input High Voltage
Input Low Voltage
R/W
Bit7
-
UNUSED. Read = 0000000b; Write = don’t care.
Output Configuration Bit for P3.0; ignored if corresponding bit in register P3MDIN is logic 0.
0: Corresponding P3.n Output is open-drain.
1: Corresponding P3.n Output is push-pull.
R/W
Bit6
-
Figure 14.21. P3MDOUT: Port3 Output Mode Register
CONDITIONS
Table 14.1. Port I/O DC Electrical Characteristics
I
I
I
OH
OH
OH
Weak Pull-up On, V
R/W
Bit5
-
= -10mA, Port I/O push-pull
= -10µA, Port I/O push-pull
= -3mA, Port I/O push-pull
Weak Pull-up Off
I
I
I
OL
OL
OL
= 8.5mA
= 25mA
R/W
= 10µA
Bit4
IN
Rev. 1.1
= 0 V
R/W
Bit3
MIN
R/W
Bit2
VDD-0.7
VDD-0.1
2.0
R/W
TYP
Bit1
VDD-0.8
1.0
25
MAX
R/W
Bit0
0.6
0.1
0.8
±1
50
SFR Address:
00000000
Reset Value
0xA7
UNITS
µA
V
V
V
V