RFPIC12F675H Microchip Technology Inc., RFPIC12F675H Datasheet - Page 5

• Manufacturer Part Number: RFPIC12F675H
• Description: 20-pin Flash-based 8-bit Cmos Microcontroller With Uhf Ask/fsk Transmitter
• Manufacturer: Microchip Technology Inc.

1.0
This document contains device specific information for
the rfPIC12F675. Additional information may be found
in the PICmicro
(DS33023), which may be obtained from your local
Microchip Sales Representative or downloaded from
the Microchip web site. The Reference Manual should
FIGURE 1-1:
 2003 Microchip Technology Inc.
T1G
T1CKI
T0CKI
OSC2/CLKOUT
OSC1/CLKIN
V
REF
Oscillator
Note 1: Higher order bits are from STATUS register.
Internal
4 MHz
Program
DEVICE OVERVIEW
Bus
Analog to Digital Converter
Timer0
Instruction Reg
AN0 AN1 AN2 AN3
Generation
Instruction
V
Decode &
14
Program
Control
DD
Memory
Timing
1K x 14
FLASH
TM
, V
SS
Mid-Range Reference Manual
rfPIC12F675 BLOCK DIAGRAM
13
Timer1
Start-up Timer
Direct Addr
Program Counter
Oscillator
8-Level Stack
Brown-out
Watchdog
Power-up
Power-on
8
Detect
Reset
Timer
Timer
(13-bit)
CIN- CIN+ COUT
7
and reference
Comparator
Analog
8
Preliminary
3
Addr MUX
Registers
W Reg
ALU
64 x 8
RAM
File
Data Bus
STATUS Reg
FSR Reg
9
MUX
8
8
be considered a complementary document to this Data
Sheet, and is highly recommended reading for a better
understanding of the device architecture and operation
of the peripheral modules.
The rfPIC12F675 comes in a 20-pin SSOP package.
Figure 1-1 shows a block diagram of the rfPIC12F675
device. Table 1-1 shows the pinout description.
Addr
RAM
Indirect
EEPROM
128 bytes
EEADDR
EEDATA
Addr
DATA
(1)
8
DATA
DATA
RFEN
ASK
FSK
Divide
PS
by 32
rfPIC12F675
Phase/Freq
FSK Switch
Controlled
RF Power
GP0/AN0/CIN+
GP1/AN1/CIN-/V
GP2/AN2/T0CKI/INT/COUT
GP3/MCLR/V
GP4/AN3/T1G/OSC2/CLKOUT
GP5/T1CKI/OSC1/CLKIN
Oscillator
Oscillator
Amplifier
Detector
Charge
Voltage
Control
Divider
Crystal
Clock
Pump
Logic
RF
DS70091A-page 3
PP
REF
REFCLK
RFXTAL
LF
ANT
V
V
V
FSK
DDRF
SSRF
SSRF
OUT