PIC18C252-I/SO Microchip Technology, PIC18C252-I/SO Datasheet - Page 24

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

Specifications of PIC18C252-I/SO

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 22
• 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 ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: PIC18
• No. Of I/o's: 24
• Ram Memory Size: 1536Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Interface: I2C, SPI, USART
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 23
• Interface Type: I2C/SPI/USART
• On-chip Adc: 5-chx10-bit
• Number Of Timers: 4
• Embedded Interface Type: I2C, SPI, USART
• Rohs Compliant: Yes
• Processor Series: PIC18C
• Core: PIC
• Data Ram Size: 1536 B
• Maximum Clock Frequency: 40 MHz
• Maximum Operating Temperature: + 85 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MILI3DB18C452 - BOARD DAUGHTER ICEPIC3309-1073 - ADAPTER 28-SOIC TO 28-SOIC309-1024 - ADAPTER 28-SOIC TO 28-DIP309-1023 - ADAPTER 28-SOIC TO 28-DIP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

PIC18CXX2
If the main oscillator is configured for HS-PLL mode, an
oscillator start-up time (T
time-out (T
2 ms and allows the PLL to lock to the main oscillator
FIGURE 2-10:
If the main oscillator is configured in the RC, RCIO, EC
or ECIO modes, there is no oscillator start-up time-out.
Operation will resume after eight cycles of the main
oscillator have been counted. A timing diagram, indi-
FIGURE 2-11:
DS39026C-page 22
Program Counter
Note 1: RC oscillator mode assumed.
Program Counter
Internal System
Note 1: T
(OSCCON<0>)
Internal System
(OSCCON<0>)
PLL Clock
T1OSI
OSC1
OSC2
Clock
SCS
T1OSI
PLL
OSC1
OSC2
Clock
OST
Input
SCS
) will occur. The PLL time-out is typically
= 1024T
PC
Q4
Q3
OSC
TIMING FOR TRANSITION BETWEEN TIMER1 AND OSC1 (HS WITH PLL)
TIMING FOR TRANSITION BETWEEN TIMER1 AND OSC1 (RC, EC)
(drawing not to scale).
OST
Q1
T
) plus an additional PLL
OST
PC
Q4
T
PLL
Q1
PC + 2
T
OSC
T
1
OSC
1
T
T
1
frequency. A timing diagram, indicating the transition
from the Timer1 oscillator to the main oscillator for
HS-PLL mode, is shown in Figure 2-10.
cating the transition from the Timer1 oscillator to the
main oscillator for RC, RCIO, EC and ECIO modes, is
shown in Figure 2-11.
2
P
2
3
3
PC + 2
4
T
T
SCS
4
T
SCS
T
5
1
P
5
6
6
7
7
8
Q1 Q2 Q3 Q4
8
Q1 Q2 Q3
2001 Microchip Technology Inc.
Q4 Q1 Q2 Q3
Q1 Q2
PC + 4
PC + 4
Q3
Q4
Q4