RFPIC12C509AG Microchip Technology Inc., RFPIC12C509AG Datasheet - Page 13

• Manufacturer Part Number: RFPIC12C509AG
• Description: 18/20-pin 8-bit Cmos Microcontroller With Uhf Ask/fsk Transmitter
• Manufacturer: Microchip Technology Inc.

FIGURE 3-1:
©
2001 Microchip Technology Inc.
OSC1/CLKIN
OSC2
PS/DATA
Program
CLKOUT
RFEN
Bus
ASK
Instruction reg
IN
Generation
Internal RC
Instruction
Decode &
rfPIC12C509AG/509AF BLOCK DIAGRAM
1024 x 12
EPROM
Program
12
Control
Memory
Timing
OSC
8
12
MCLR
Direct Addr
Device Reset
Program Counter
Watchdog
Power-on
V
Timer
Reset
Timer
ANT2
rfPIC12C509AF Only
(see Figure 7-1)
DDRF
STACK1
STACK2
V
UHF ASK/FSK
DD
Transmitter
FSK Switch
, V
Preliminary
SS
5
V
RAM Addr
ANT1
SSRF
8
3
rfPIC12C509AG/509AF
Data Bus
Addr MUX
Registers
W reg
41 x 8
RAM
ALU
File
STATUS reg
FSR reg
Timer0
5-7
MUX
9
Indirect
Addr
8
DATA
XTAL
FSK
LF
OUT
FSK
GPIO
GP0
GP1
GP2/T0CKI
GP3/MCLR/V
GP4/OSC2
GP5/OSC1/CLKIN
DS70031A-page 11
PP