C8051F321R Silicon Laboratories Inc, C8051F321R Datasheet - Page 142
![IC 8051 MCU 16K FLASH 28MLP](/photos/6/93/69391/sl-28-mlp_sml.jpg)
C8051F321R
Manufacturer Part Number
C8051F321R
Description
IC 8051 MCU 16K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Datasheet
1.C8051F320R.pdf
(256 pages)
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
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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
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