PIC18F252-I/SP Microchip Technology Inc., PIC18F252-I/SP Datasheet - Page 271

• Manufacturer Part Number: PIC18F252-I/SP
• Description: Microcontroller; 32 KB Flash; 1536 RAM; 256 EEPROM; 25 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F252-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 25
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 32K Bytes
• Ram Size: 1.5K Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

22.3
22.3.1
The timing parameter symbols have been created
following one of the following formats:
© 2006 Microchip Technology Inc.
1. TppS2ppS
2. TppS
T
Lowercase letters (pp) and their meanings:
pp
Uppercase letters and their meanings:
S
I
T
CC
ST
2
CC
C only
:
F
cc
ck
cs
di
do
dt
io
mc
F
H
I
L
AA
BUF
HD
DAT
STA
ST
(I
AC (Timing) Characteristics
2
C specifications only)
TIMING PARAMETER SYMBOLOGY
Frequency
CCP1
CLKO
CS
SDI
SDO
Data in
I/O port
MCLR
Fall
High
Invalid (Hi-impedance)
Low
output access
Bus free
Hold
DATA input hold
START condition
4. Ts
3. T
CC
T
osc
rd
rw
sc
ss
t0
t1
wr
P
R
V
Z
High
Low
SU
STO
:
ST
(I
(I
Time
OSC1
RD
RD or WR
SCK
SS
T0CKI
T1CKI
WR
Period
Rise
Valid
Hi-impedance
High
Low
Setup
STOP condition
2
2
C specifications only)
C specifications only)
PIC18FXX2
DS39564C-page 269