PIC18F452I/L Microchip Technology, PIC18F452I/L Datasheet - Page 90

• Manufacturer Part Number: PIC18F452I/L
• Description: IC, 8BIT MCU, PIC18F, 40MHZ, LCC-44
• Manufacturer: Microchip Technology

Specifications of PIC18F452I/L

• Controller Family/series: PIC18
• No. Of I/o's: 34
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Core Size: 8 Bit
• Program Memory Size: 16 KWords
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18FXX2
FIGURE 9-2:
DS39564C-page 88
WR LATA
or
PORTA
WR TRISA
Note 1:
Data
Bus
RD PORTA
TMR0 Clock Input
I/O pin has protection diode to V
TRIS Latch
Data Latch
D
D
CK
CK
RD LATA
RD TRISA
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA4/T0CKI PIN
Q
EN
EN
Schmitt
Trigger
Input
Buffer
D
SS
V
N
only.
SS
I/O pin
(1)
FIGURE 9-3:
ECRA6 or
RCRA6
Enable
WR LATA
or
PORTA
Note 1:
WR
TRISA
RD PORTA
Data
Bus
ECRA6 or
RCRA6 Enable
I/O pins have protection diodes to V
RD TRISA
TRIS Latch
Data Latch
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA6 PIN
© 2006 Microchip Technology Inc.
Q
DD
EN
D
and V
V
V
P
N
SS
DD
SS
I/O pin
TTL
Input
Buffer
.
(1)