PIC18F1220 MICROCHIP [Microchip Technology], PIC18F1220 Datasheet - Page 90
![no-image](/images/no-image-200.jpg)
PIC18F1220
Manufacturer Part Number
PIC18F1220
Description
18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F1220.pdf
(310 pages)
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Part Number:
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PIC18F1220/1320
FIGURE 10-2:
FIGURE 10-3:
DS39605C-page 88
RA6 Enable
Data
Bus
RD LATA
WR LATA
or
PORTA
WR
TRISA
RD
TRISA
ECIO or
RCIO
Enable
RD PORTA
Note 1:
Note 1:
RD LATA
Data
Bus
WR LATA
or
PORTA
WR TRISA
Analog
Input
Mode
RD TRISA
RD PORTA
To A/D Converter and LVD Modules
I/O pins have protection diodes to V
I/O pins have protection diodes to V
TRIS Latch
Data Latch
D
D
CK
CK
TRIS Latch
Data Latch
D
D
CK
CK
Q
Q
Q
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA3:RA0 PINS
BLOCK DIAGRAM OF
OSC2/CLKO/RA6 PIN
Q
Q
EN
D
DD
DD
EN
V
V
D
N
P
and V
SS
DD
V
and V
V
P
N
SS
DD
Schmitt
Trigger
Input
Buffer
SS
I/O pin
SS
I/O pin
Schmitt
Trigger
Input
Buffer
.
.
(1)
(1)
FIGURE 10-4:
FIGURE 10-5:
RD
TRISA
RA7 Enable
Data
Bus
RD LATA
WR LATA
or
PORTA
WR
TRISA
RA7
Enable
RD PORTA
Note 1:
Note 1:
RD LATA
Data
Bus
WR LATA
or
PORTA
WR TRISA
RD TRISA
RD PORTA
TMR0 Clock Input
I/O pins have protection diodes to V
I/O pins have protection diodes to V
TRIS Latch
Data Latch
D
D
CK
CK
TRIS Latch
Data Latch
D
D
CK
CK
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA4/T0CKI PIN
BLOCK DIAGRAM OF
OSC1/CLKI/RA7 PIN
Q
Q
Q
Q
2004 Microchip Technology Inc.
Q
Q
EN
EN
Schmitt
Trigger
Input
Buffer
D
DD
DD
V
EN
N
D
SS
To Oscillator
and V
and V
V
V
P
N
SS
DD
SS
SS
I/O pin
I/O pin
Schmitt
Trigger
Input
Buffer
.
.
(1)
(1)
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