PIC18C252-E/SO Microchip Technology, PIC18C252-E/SO Datasheet - Page 29

• 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

TABLE 3-1:
REGISTER 3-1:
TABLE 3-2:
Note 1: 2 ms is the nominal time required for the 4x PLL to lock.
HS with PLL enabled
Power-on Reset
MCLR Reset during normal
operation
Software Reset during normal
operation
Stack Full Reset during normal
operation
Stack Underflow Reset during
normal operation
MCLR Reset during SLEEP
WDT Reset
WDT Wake-up
Brown-out Reset
Interrupt wake-up from SLEEP
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as '0'.
Note 1: When the wake-up is due to an interrupt and the GIEH or GIEL bits are set, the PC is loaded with the
2001 Microchip Technology Inc.
Configuration
External RC
2: 72 ms is the nominal Power-up Timer delay.
HS, XT, LP
Oscillator
EC
interrupt vector (0x000008h or 0x000018h).
Condition
TIME-OUT IN VARIOUS SITUATIONS
STATUS BITS, THEIR SIGNIFICANCE AND THE INITIALIZATION CONDITION FOR
RCON REGISTER
(1)
RCON REGISTER BITS AND POSITIONS
bit 7
Note:
R/W-0
IPEN
72 ms + 1024T
72 ms + 1024T
PWRTE = 0
See Register 4-3 on page 53 for bit definitions.
+ 2ms
72 ms
72 ms
Program
PC + 2
Counter
R/W-0
LWRT
PC + 2
0000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
Power-up
(1)
OSC
OSC
00-1 1100
00-u uuuu
0u-0 uuuu
0u-u uu11
0u-u uu11
00-u 10uu
0u-u 01uu
uu-u 00uu
0u-1 11u0
uu-u 00uu
U-0
Register
(2)
—
RCON
PWRTE = 1
1024T
1024T
+ 2 ms
—
—
R/W-1
OSC
OSC
RI
RI
1
u
0
u
u
u
1
u
1
u
TO
1
u
u
u
u
1
0
0
1
1
72 ms + 1024T
72 ms + 1024T
R/W-1
TO
PD
Brown-out
1
u
u
u
u
0
1
0
1
0
+ 2ms
72 ms
72 ms
POR
0
u
u
u
u
u
u
u
1
u
R/W-1
PD
(2)
OSC
OSC
PIC18CXX2
BOR
0
u
u
u
u
u
u
u
0
u
STKFUL
R/W-0
Oscillator Switch
POR
1024T
Wake-up from
u
u
u
u
1
u
u
u
u
u
DS39026C-page 27
SLEEP or
1024T
OSC
—
—
STKUNF
OSC
+ 2 ms
R/W-0
BOR
u
u
u
1
u
u
u
u
u
u
bit 0