C8051T322-GQR Silicon Labs, C8051T322-GQR Datasheet - Page 18

• Manufacturer Part Number: C8051T322-GQR
• Description: 8-bit Microcontrollers - MCU USB-OTP-16K-LQFP32
• Manufacturer: Silicon Labs

Specifications of C8051T322-GQR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051T620/621/320/321/322/323
18
C2CK/RST
REGIN
VBUS
GND
VDD
D+
D-
Regulator
Programming
Programming
Voltage
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
Figure 1.3. C8051T321/3 Block Diagram
Internal Oscillator
Controller Core
Program Memory
1024 Byte XRAM
CIP-51 8051
256 Byte SRAM
16k Byte OTP
Core Power
Low Freq.
Oscillator
Controller
1k Byte
RAM
SFR
Bus
Rev. 1.1
VDD
Timers 0,
UART0
UART1
SMBus
10-bit
500ksps
ADC
1, 2, 3
Analog Peripherals
PCA/
WDT
Digital Peripherals
SPI
Port I/O Configuration
CP0, CP0A
CP1, CP1A
Crossbar Control
(C8051T321)
Reference
Voltage
2 Comparators
VREF
A
M
U
X
+
Crossbar
VREF
-
Decoder
Priority
+
-
Sensor
VREF
Temp
GND
VDD
Drivers
Drivers
Drivers
Drivers
Port 0
Port 1
Port 2
Port 3
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
P3.0/C2D