C8051F330 Silicon Laboratories Inc, C8051F330 Datasheet - Page 15

• Manufacturer Part Number: C8051F330
• Description: IC 8051 MCU 8K FLASH 20MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F33xr

Specifications of C8051F330

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

/RST/C2CK
/RST/C2CK
VDD
GND
VDD
GND
XTAL1
XTAL2
XTAL1
XTAL2
Analog/Digital
Analog/Digital
Power
24.5MHz (2%)
C2D
Power
24.5MHz (2%)
C2D
Oscillator
Oscillator
Internal
Internal
80 kHz
Oscillator
Oscillator
Oscillator
Internal
Internal
80 kHz
External
Oscillator
Circuit
External
POR
Circuit
POR
Brown-
Figure 1.1. C8051F330 and C8051F330D Block Diagram
Brown-
Out
Out
Debug HW
Debug HW
System Clock
System Clock
Figure 1.2. C8051F331 Block Diagram
Reset
Reset
C
8
0
5
1
o
e
C
r
8
0
5
1
o
e
r
SFR Bus
SFR Bus
256 byte
512 byte
256 byte
512 byte
FLASH
FLASH
8kbyte
SRAM
XRAM
8kbyte
SRAM
XRAM
C8051F330/1, C8051F330D
Rev. 1.2
Timer 0,
SMBus
Timer 0,
3-Chnl
Port 0
UART
1, 2, 3
Port 1
Port 2
SMBus
Latch
Latch
Latch
3-Chnl
PCA/
WDT
Port 0
UART
1, 2, 3
Port 1
Port 2
Latch
Latch
Latch
PCA/
WDT
SPI
SPI
VDD
VREF
10-bit
200ksps
ADC
VREF
X
B
A
R
CP0
X
B
A
R
CP0
Temp
A
M
U
X
+
-
+
-
AIN0-AIN15
D
D
P
0
v
P
1
v
r
r
10-bit
DAC
D
D
C2D
P
0
v
P
1
v
r
r
C2D
P0.0/VREF
P0.1/IDA0
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVSTR
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0/C2D
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0/C2D
15