PIC18C242/JW Microchip Technology, PIC18C242/JW Datasheet - Page 80

• Manufacturer Part Number: PIC18C242/JW
• Description: IC MCU EPROM 8KX16 A/D 28CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C242/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: EPROM, UV
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-CDIP (0.300", 7.62mm) Window
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

PIC18CXX2
FIGURE 8-2:
DS39026C-page 78
Note 1: I/O pins have protection diodes to V
WR TRISA
WR LATA
or
PORTA
Bus
Data
RD PORTA
TMR0 Clock Input
TRIS Latch
Data Latch
D
D
CK
CK
RD LATA
RD TRISA
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA4/T0CKI PIN
Q
EN
Schmitt
Trigger
Input
Buffer
EN
D
V
DD
N
SS
and V
SS
I/O pin
.
(1)
FIGURE 8-3:
WR LATA
or
PORTA
WR
TRISA
Data Bus
Note 1: I/O pins have protection diodes to V
Data Bus
RD PORTA
Data
Bus
ECRA6 or
RCRA6 Enable
RD TRISA
Data Latch
TRIS Latch
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA6
2001 Microchip Technology Inc.
ECRA6 or
RCRA6
Enable
Q
DD
V
V
P
N
EN
SS
DD
and V
D
SS
I/O pin
.
TTL
Input
Buffer
(1)