C8051F99X_10 Datasheet, PDF (20/322 Pages) Silicon Laboratories – Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU

C8051F99x-C8051F98x
C2CK/RST
VDD
GND
GND
Power On
Reset/PMU
Wake
Reset
Debug /
Programming
Hardware
CIP-51 8051
Controller Core
2 kB ISP Flash
Program Memory
256 Byte SRAM
256 Byte XRAM
C2D
VREG
Digital
Power
CRC
Engine
SYSCLK
Precision
24.5 MHz
Oscillator
Low Power
20 MHz
Oscillator
XTAL1
XTAL2
External
Oscillator
Circuit
SFR
Bus
XTAL3
XTAL4
SmaRTClock
Oscillator
System Clock
Configuration
Port I/O Configuration
Digital Peripherals
UART
Timers 0,
1, 2, 3
PCA/
WDT
Priority
Crossbar
Decoder
SMBus
SPI
Crossbar Control
Analog Peripherals
6-bit
IREF
IREF0
GND
CP0
+
-
Comparator
Port 0
Drivers
Port 1
Drivers
Port 2
Drivers
P1.0
P1.1
Figure 1.5. C8051F985 Block Diagram
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6
P0.7/IREF0
P1.0/CP0+
P1.1/CP0-
P1.2
P1.3
P1.5
P1.6/XTAL3
P1.7/XTAL4
P2.7/C2D
C2CK/RST
VDD
GND
Power On
Reset/PMU
Wake
Reset
Debug /
Programming
Hardware
CIP-51 8051
Controller Core
8 kB ISP Flash
Program Memory
256 Byte SRAM
256 Byte XRAM
C2D
VREG
Digital
Power
CRC
Engine
SYSCLK
Precision
24.5 MHz
Oscillator
Low Power
20 MHz
Oscillator
XTAL1
XTAL2
External
Oscillator
Circuit
SFR
Bus
XTAL3
XTAL4
SmaRTClock
Oscillator
System Clock
Configuration
Port I/O Configuration
Digital Peripherals
UART
Timers 0,
1, 2, 3
PCA/
WDT
Priority
Crossbar
Decoder
SMBus
SPI
Crossbar Control
Analog Peripherals
6-bit
IREF
IREF0
Internal External
VREF
12-bit
ADC
VREF
A
M
U
X
VDD
VREF
Temp
Sensor
GND
CP0
+
-
Comparator
Port 0
Drivers
Port 1
Drivers
Port 2
Drivers
P1.0
P1.1
Figure 1.6. C8051F986 Block Diagram
P0.0/VREF
P0.1/AGND
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVSTR
P0.7/IREF0
P1.0/CP0+
P1.1/CP0-
P1.2
P1.3
P1.4
P1.5
P1.6/XTAL3
P1.7/XTAL4
P2.7/C2D
20
Rev. 1.0