C8051F021 Silicon Laboratories Inc, C8051F021 Datasheet - Page 19

• Manufacturer Part Number: C8051F021
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F021

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

AIN0.0
AIN0.1
AIN0.2
AIN0.3
AIN0.4
AIN0.5
AIN0.6
AIN0.7
MONEN
XTAL1
XTAL2
VREFA
DGND
DGND
DGND
AGND
/RST
VREF
DAC1
DAC0
CP0+
CP0-
CP1+
CP1-
VDD
VDD
VDD
AV+
TCK
TMS
TDI
TDO
Analog Power
CP0
Digital Power
M
A
U
X
Oscillator
Oscillator
External
Monitor
Internal
Circuit
VDD
JTAG
CP1
Logic
(12-Bit)
(12-Bit)
VREF
DAC1
DAC0
SENSOR
TEMP
Prog
Gain
Boundary Scan
WDT
Debug HW
System
Clock
100ksps
(12-Bit)
Figure 1.2. C8051F021 Block Diagram
ADC
Reset
C
o
8
0
5
1
e
r
External Data Memory Bus
256 byte
64kbyte
SFR Bus
FLASH
4kbyte
RAM
RAM
Rev. 1.4
Timers 0,
Crossbar
SPI Bus
Timer 3/
Port I/O
Latches
Config.
UART0
UART1
SMBus
P0, P1,
Config.
P2, P3
1, 2, 4
PCA
RTC
Address Bus
Bus Control
Data Bus
C8051F020/1/2/3
ADC
500ksps
(8-Bit)
C
T
A
D
L
d
d
a
a
r
t
C
R
O
B
R
S
S
A
P4 Latch
P5 Latch
P6 Latch
P7 Latch
AV+
VREFA
Prog
Gain
P0
Drv
P1
Drv
P2
Drv
P3
Drv
M
A
U
X
8:1
DRV
DRV
DRV
DRV
P4
P5
P6
P7
P0.0
P0.7
P1.0/AIN1.0
P1.7/AIN1.7
P2.0
P2.7
P3.0
P3.7
19