PIC18C252-E/SO Microchip Technology, PIC18C252-E/SO Datasheet - Page 80

• Manufacturer Part Number: PIC18C252-E/SO
• Description: IC MCU OTP 16KX16 A/D 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C252-E/SO

• 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: 32KB (16K x 16)
• Program Memory Type: OTP
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: PIC18C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1.5 KB
• Interface Type: MSSP, SPI, I2C, USART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 1 x 16 bit
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: ICE2000, DM163022, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• For Use With: I3DB18C452 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: PIC18C252E/SO

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)