C8051F321-GMR Silicon Laboratories Inc, C8051F321-GMR Datasheet - Page 58
C8051F321-GMR
Manufacturer Part Number
C8051F321-GMR
Description
IC 8051 MCU 16K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Specifications of C8051F321-GMR
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
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2.25 KB
Interface Type
I2C, SMBus, SPI, UART, USB
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
21
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F320DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel / 10 bit, 7 Channel
Package
28MLP
Device Core
8051
Family Name
C8051F321
Maximum Speed
25 MHz
Operating Supply Voltage
3.3 V
For Use With
336-1480 - DAUGHTER CARD TOOLSTCK C8051F321336-1449 - ADAPTER PROGRAM TOOLSTICK F321336-1260 - DEV KIT FOR C8051F320/F321
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F321-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
- Current page: 58 of 250
- Download datasheet (2Mb)
C8051F320/1
Comparator outputs can be polled in software, used as an interrupt source, and/or routed to a Port pin.
When routed to a Port pin, Comparator outputs are available asynchronous or synchronous to the system
clock; the asynchronous output is available even in STOP mode (with no system clock active). When dis-
abled, the Comparator output (if assigned to a Port I/O pin via the Crossbar) defaults to the logic low state,
and supply current falls to less than 100 nA. See Section “14.1. Priority Crossbar Decoder” on page 128
for details on configuring Comparator outputs via the digital Crossbar. Comparator inputs can be externally
driven from –0.25 V to (V
ifications are given in Table 7.1.
Comparator response time may be configured in software via the CPTnMD registers (see Figure 7.3 and
Figure 7.6). Selecting a longer response time reduces the Comparator supply current. See Table 7.1 for
complete timing and supply current specifications.
58
CMX1N1
CMX1N0
CMX1P1
CMX1P0
Note: P2.6 and P2.7 available
only on C8051F320
P1.2
P1.6
P2.2
P2.6
P1.3
P1.7
P2.3
P2.7
Figure 7.2. Comparator1 Functional Block Diagram
DD
) + 0.25 V without damage or upset. The complete Comparator electrical spec-
CP1HYP1
CP1HYP0
CP1HYN1
CP1HYN0
CP1OUT
CP1RIF
CP1FIF
CP1EN
CP1 +
CP1 -
CP1MD1
CP1MD0
CP1RIE
CP1FIE
Rev. 1.4
+
-
VDD
GND
(SYNCHRONIZER)
D
SET
CLR
Q
Q
D
SET
CLR
Q
Q
Rising-edge
CP1
Crossbar
Interrupt
Logic
Falling-edge
Interrupt
CP1
CP1A
CP1
CP1
CP1RIE
CP1FIE
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