c8051t621 Silicon Laboratories, c8051t621 Datasheet
c8051t621
Manufacturer Part Number
c8051t621
Description
Full Speed Usb Eprom Mcu Family
Manufacturer
Silicon Laboratories
Datasheet
1.C8051T621.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
c8051t621-GM
Manufacturer:
Silicon
Quantity:
78
Analog Peripherals
10-Bit ADC (C8051T620/320/321 only)
-
-
-
-
-
Comparators
-
-
-
USB Function Controller
-
-
-
-
-
-
On-Chip Debug
-
-
-
Supply Voltage: 1.8 to 5.25 V
-
-
Temperature Range: –40 to +85 °C
USB
Up to 500 ksps
Up to 21 external inputs
VREF from on-chip VREF, external pin, Internal 1.8 V Regulator or V
Internal or external start of conversion source
Built-in temperature sensor
Programmable hysteresis and response time
Configurable as interrupt or reset source
Low current (<0.5 µA)
USB specification 2.0 compliant
Full speed (12 Mbps) or low speed (1.5 Mbps) operation
Integrated clock recovery; no external oscillator required for full speed or
low speed
Supports six flexible endpoints
1 kB USB buffer memory
Integrated transceiver; no external resistors required
C8051F34A can be used as code development platform; Complete
development kit available
On-chip debug circuitry facilitates full speed, nonintrusive in-system
debug
Provides breakpoints, single stepping, inspect/modify memory and regis-
ters
On-chip LDO for internal core supply
Built-in supply voltage monitor
C2CK/RST
REGIN
VBUS
GND
VDD
D+
D-
Regulator
Voltage
Programming
Programming
C2D
VPP
Power On
Hardware
In-system
Hardware
XTAL1
XTAL2
Debug /
Reset
Reset
Peripheral Power
Regulator
System Clock Setup
Transceiver
Recovery
Full / Low
Clock
USB Peripheral
Speed
External Oscillator
Internal Oscillator
Controller Core
Program Memory
1024 Byte XRAM
Copyright © 2011 by Silicon Laboratories
CIP-51 8051
256 Byte SRAM
16k Byte OTP
Core Power
Low Freq.
Oscillator
Controller
1k Byte
C8051T620/621/320/321/322/323
RAM
DD
SFR
Bus
High-Speed 8051 µC Core
-
-
-
Memory
-
-
-
Digital Peripherals
-
-
-
-
Clock Sources
-
-
-
Package Options
-
-
VDD
Timers 0,
UART0
UART1
SMBus
1, 2, 3
10-bit
500ksps
ADC
Analog Peripherals
PCA/
WDT
Digital Peripherals
Pipelined instruction architecture; executes 70% of instructions in 1 or 2
system clocks
Up to 48 MIPS throughput with 48 MHz clock
Expanded interrupt handler
1280 bytes internal data RAM (256 + 1024)
16 kB byte-programmable EPROM code memory
EPROM can be programmed from firmware running on the device
25 Port I/O with high sink current capability
Hardware enhanced SPI™, SMBus™, and two enhanced UART serial
ports
Four general purpose 16-bit counter/timers
16-bit programmable counter array (PCA) with five capture/compare
modules and enhanced PWM functionality
Two internal oscillators:
External oscillator: Crystal, RC, C, or CMOS Clock
Can switch between clock sources on-the-fly; useful in power saving
modes
5x5 mm QFN28 or QFN32
LQFP32
SPI
Port I/O Configuration
CP0, CP0A
•
•
Crossbar Control
CP1, CP1A
(C8051T620)
Reference
Voltage
Full Speed USB EPROM MCU Family
2 Comparators
VREF
48 MHz: ±0.25% accuracy with clock recovery enabled.
Supports all USB and UART modes
80/40/20/10 kHz low frequency, low power
M
A
U
X
VREF
+
Crossbar
-
Decoder
Priority
+
-
Sensor
VREF
Temp
VDD
GND
Drivers
Drivers
Drivers
Drivers
Port 0
Port 1
Port 2
Port 3
VIO
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVSTR
P0.7/VREF
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5/VPP
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P3.0/C2D
01.21.11
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c8051t621 Summary of contents
Page 1
... Bus Analog Peripherals (C8051T620) Voltage Internal Oscillator Reference VREF VDD VREF Low Freq. Oscillator A 10-bit M 500ksps U ADC X Controller CP0, CP0A + - 1k Byte CP1, CP1A RAM 2 Comparators Copyright © 2011 by Silicon Laboratories VIO P0.0 P0.1 P0.2/XTAL1 Port 0 P0.3/XTAL2 Drivers P0.4/TX P0.5/RX P0.6/CNVSTR P0.7/VREF P1.0 P1.1 P1.2 P1.3 Port 1 Drivers P1.4 P1.5/VPP P1.6 P1.7 P2.0 P2.1 P2.2 Port 2 P2 ...
Page 2
... Product Selection Guide 1 C8051T620-GM 48 16k 1280 1 C8051T621-GM 48 16k 1280 16k 1280 C8051T320- 16k 1280 C8051T321- 16k 1280 C8051T322- 16k 1280 C8051T323-GM Notes: 1. 512 bytes reserved for factory use. 2. Pin compatible with the C8051F320-GM. 3. Pin compatible with the C8051F321-GM. ...