PIC18F4458T-I/ML Microchip Technology, PIC18F4458T-I/ML Datasheet - Page 31
![24KB Flash, 2KB RAM, 256 Bytes EEPROM, 35 I/O, USB, 12bit ADC 44 QFN 8x8x0.9mm T](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F4458T-I/ML
Manufacturer Part Number
PIC18F4458T-I/ML
Description
24KB Flash, 2KB RAM, 256 Bytes EEPROM, 35 I/O, USB, 12bit ADC 44 QFN 8x8x0.9mm T
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2458-ISO.pdf
(46 pages)
3.PIC18F2458-ISO.pdf
(6 pages)
4.PIC18F2458-ISO.pdf
(6 pages)
5.PIC18F2458-ISO.pdf
(6 pages)
Specifications of PIC18F4458T-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
24KB (12K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DM163025 - PIC DEM FULL SPEED USB DEMO BRD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3.0
PIC18F2458/2553/4458/4553 devices include several
features intended to maximize reliability and minimize
cost through elimination of external components.
These include:
• Device ID Registers
TABLE 3-1:
© 2009 Microchip Technology Inc.
3FFFFEh DEVID1
3FFFFFh DEVID2
Legend:
Note 1:
Note:
File Name
SPECIAL FEATURES OF THE
CPU
x = unknown, u = unchanged
See Register 3-1 and Register 3-2 for DEVID values. DEVID registers are read-only and cannot be programmed by the
user.
For additional details on the Con-
figuration
“PIC18F2455/2550/4455/4550 Data Sheet”,
Section 25.1 “Configuration Bits”. Device
ID information presented in this section is for
PIC18F2458/2553/4458/4553 only.
DEVICE IDs
DEV10
DEV2
Bit 7
bits,
DEV1
DEV9
Bit 6
refer
DEV0
DEV8
Bit 5
to
PIC18F2458/2553/4458/4553
the
REV4
DEV7
Bit 4
3.1
The Device ID registers are “read-only” registers.
They identify the device type and revision to device
programmers, and can be read by firmware using
table reads.
REV3
DEV6
Bit 3
Device ID Registers
REV2
DEV5
Bit 2
REV1
DEV4
Bit 1
REV0
DEV3
Bit 0
DS39887C-page 31
Unprogrammed
xxxx xxxx
xxxx xxxx
Default/
Value
(1)
(1)