C8051F93X Datasheet, PDF (19/330 Pages) Silicon Laboratories – Pipelined intstruction architecture executes 70 of instruction in 1 or 2 system clocks

C8051F93x-C8051F92x
C2CK/RST
VDD/DC+
GND/DC-
DCEN
VBAT
GND
XTAL3
XTAL4
Power On
Reset/PMU
Wake
Reset
Debug /
Programming
Hardware
CIP-51 8051
Controller Core
32 kB ISP Flash
Program Memory
256 Byte SRAM
4096 Byte XRAM
C2D
Power Net
Analog
Power
VREG
Digital
Power
CRC
Engine
SYSCLK
DC/DC
Converter
Precision
24.5 MHz
Oscillator
Low Power
20 MHz
Oscillator
XTAL1
XTAL2
External
Oscillator
Circuit
SFR
Bus
SmaRTClock
Oscillator
System Clock
Configuration
Port I/O Configuration
Digital Peripherals
UART
Timers 0,
1, 2, 3
PCA/
WDT
Priority
Crossbar
Decoder
SMBus
SPI 0,1
Crossbar Control
Analog Peripherals
6-bit
IREF
IREF0
Internal External
VREF VREF
10-bit
300ksps
ADC
A
M
U
X
VDD
VREF
Temp
Sensor
GND
CP0, CP0A ₊
CP1, CP1A + ^-
-
Comparators
Figure 1.3. C8051F920 Block Diagram
Port 0
Drivers
Port 1
Drivers
Port 2
Drivers
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/AD0
P1.1/AD1
P1.2/AD2
P1.3/AD3
P1.4/AD4
P1.5/AD5
P1.6/AD6
P1.7/AD7
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/ALE
P2.5/RD
P2.6/WR
P2.7/C2D
C2CK/RST
VDD/DC+
GND/DC-
DCEN
VBAT
GND
XTAL3
XTAL4
Power On
Reset/PMU
Wake
Reset
Debug /
Programming
Hardware
CIP-51 8051
Controller Core
32 kB ISP Flash
Program Memory
256 Byte SRAM
4096 Byte XRAM
C2D
Power Net
Analog
Power
VREG
Digital
Power
CRC
Engine
SYSCLK
DC/DC
Converter
Precision
24.5 MHz
Oscillator
Low Power
20 MHz
Oscillator
XTAL1
XTAL2
External
Oscillator
Circuit
SFR
Bus
SmaRTClock
Oscillator
System Clock
Configuration
Port I/O Configuration
Digital Peripherals
UART
Timers 0,
1, 2, 3
PCA/
WDT
Priority
Crossbar
Decoder
SMBus
SPI 0,1
Crossbar Control
Analog Peripherals
6-bit
IREF
IREF0
Internal External
VREF VREF
10-bit
300ksps
ADC
A
M
U
X
VDD
VREF
Temp
Sensor
GND
CP0, CP0A ₊
CP1, CP1A + ^-
-
Comparators
Figure 1.4. C8051F921 Block Diagram
Port 0
Drivers
Port 1
Drivers
Port 2
Drivers
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
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P2.7/C2D
Rev. 1.3
19