PIC16F639 Microchip Technology Inc., PIC16F639 Datasheet - Page 102

• Manufacturer Part Number: PIC16F639
• Description: 8/14-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

PIC12F635/PIC16F636/639
FIGURE 11-1:
DS41232D-page 100
LCCOM
LCX
LCY
LCZ
LCCOM
LCCOM
Lim
Lim
Lim
RF
RF
RF
FUNCTIONAL BLOCK DIAGRAM – ANALOG FRONT-END
Mod
Mod
Mod
AGC Preserve
To Modulation
Tune X
Tune Y
Tune Z
Transistors
To Tuning Cap X
To Tuning Cap Y
To Tuning Cap Z
To Sensitivity X
To Sensitivity Y
To Sensitivity Z
Sensitivity
Sensitivity
Sensitivity
Control X
Control Y
Control Z
V
Modulation
SST
Depth
AGC
AGC
AGC
V
DDT
A
A
A
Detector
Configuration
Detector
Detector
RSSI
Command Decoder/Controller
Oscillator
Registers
32 kHZ
SCLK/ALERT
Timer
AGC
Watchdog
© 2007 Microchip Technology Inc.
÷ 64
÷ 64
WAKEY
MCU
÷ 64
CS
Output Enable
Filter
WAKEX
B
LFDATA/RSSI/
CCLK/SDIO
WAKEZ