Figure 1.1. Si4010 Block Diagram - Silicon Laboratories Si4010-C2 Manual

Si4010-C2
Si4010
CIP-51 8051
CONTROLLER CORE
256 BYTE IRAM
256 BYTE XREG
4K BYTE RAM
12K BYTE ROM
DIGITAL PERIPHERALS
INTC
RTC
TMR 2,3
AES 128b ACCEL
GPIO0/XTAL/VPP
GPIO1
GPIO2
GPIO3
GPIO4/C2DAT PORT
CONTR
GPIO5/C2CLK/LED
GPIO6
14P SOIC
GPIO7
Package
GPIO8
Only
GPIO9
12
MEMORY
CONTROLLER
NVM EEPROM
8 KB 128-bit
OOK
ODS
FSK
SFR
BUS
FREQ
COUNTER
C2
TEMP
DEMOD

Figure 1.1. Si4010 Block Diagram

Rev. 1.0
RF ANALOG CORE
HVRAM
8 Byte
DIVIDER PA
LCOSC
LPOSC
SLP
TMR
XTAL
OSC
VA
TEMP
SENSOR
VD
BANDGAP
TXP
AUTO
TUNE
TXM
LDO
VDD
POR
GND