C8051T322-GQR Silicon Labs, C8051T322-GQR Datasheet - Page 21

• 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

3. Pin Definitions
Table 3.1. Pin Definitions for the C8051T620/621/320/321/322/323
REGIN
XTAL1
Name
C2CK
VBUS
RST/
P3.0/
GND
P0.0
P0.1
P0.2
C2D
V
V
D+
D-
DD
IO
‘T620/1 ‘T320/2 ‘T321/3
10
11
32
7
3
8
9
4
5
6
2
1
Pin Number
10
32
6
3
9
7
8
4
5
2
1
-
10
28
6
3
9
7
8
4
5
2
1
-
C8051T620/621/320/321/322/323
D I/O or
D I/O or
D I/O or
D I/O
D I/O
D I/O
D I/O
D I/O
D I/O
Type
D In
A In
A In
A In
A In
Rev. 1.1
Description
Power Supply Voltage.
Ground.
Device Reset. Open-drain output of internal POR or
V
reset by driving this pin low for at least 10 µs.
Clock signal for the C2 Debug Interface.
Port 3.0.
Bi-directional data signal for the C2 Debug Interface.
5 V Regulator Input. This pin is the input to the on-chip
voltage
regulator.
VBUS Sense Input. This pin should be connected to the
VBUS signal of a USB network. A 5 V signal on this pin
indicates
a USB network connection.
USB D+.
USB D–.
V I/O Supply Voltage Input. The voltage at this pin must
be less than or equal to the Core Supply Voltage (V
Port 0.0.
Port 0.1.
Port 0.2.
External Clock Input. This pin is the external oscillator
return for a crystal or resonator. See Oscillator Section.
DD
monitor. An external source can initiate a system
DD
21
).