C8051F321-GM Silicon Laboratories Inc, C8051F321-GM Datasheet - Page 16

• Manufacturer Part Number: C8051F321-GM
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F321-GM

• Program Memory Type: FLASH
• Program Memory Size: 16KB (16K x 8)
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• 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
• 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
• 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
• Operating Supply Voltage: 2.7 V to 3.6 V
• 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: 13-ch x 10-bit or 17-ch x 10-bit
• No. Of I/o's: 21
• Ram Memory Size: 1280Byte
• Cpu Speed: 25MHz
• No. Of Timers: 4
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1480 - DAUGHTER CARD TOOLSTCK C8051F321770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1449 - ADAPTER PROGRAM TOOLSTICK F321336-1260 - DEV KIT FOR C8051F320/F321
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1261

C8051F320/1
16
C8051F320-GQ 25 16 k 2304 
C8051F321-GM 25 16 k 2304 
/RST/C2CK
REGIN
VBUS
VDD
GND
D+
D-
XTAL1 XTAL2
Recovery
Oscillator
Oscillator
Clock
External
Internal
12MHz
Circuit
Analog/Digital
C2D
5.0V
Power
IN
POR
Regulator
Voltage
OUT
1,2,3,4
Debug HW
Transceiver
Brown-
x4
Out
USB
2
Figure 1.1. C8051F320 Block Diagram
Table 1.1. Product Selection Guide
Enable
2
USB Clock
1K byte USB
Controller
SRAM
USB
System
Clock
Reset


C
8
0
5
1
o
e
r


SFR Bus
Rev. 1.4


256 byte
16kbyte
1K byte
FLASH
SRAM
XRAM




4
4
VDD
VREF
0,1,2,3 /
10-bit
200ksps
ADC
SMBus
Port 0
Port 1
UART
Timer
Port 2
Port 3


Latch
Latch
PCA/
Latch
Latch
WDT
RTC
SPI
VREF
25
21
CP0
CP1


Temp
M
A
U
X
+
+
-
-
C
R
O
R
S
S
B
A


VREF
VDD
AIN0-AIN16


D
D
D
D
P
0
v
P
1
v
P
2
v
P
3
v
r
r
r
r
2
2
LQFP-32
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4
P0.5
P0.6/CNVSTR
P0.7/VREF
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0/C2D
QFN-28