PIC18F1230-E/P Microchip Technology, PIC18F1230-E/P Datasheet - Page 185
PIC18F1230-E/P
Manufacturer Part Number
PIC18F1230-E/P
Description
Microcontroller
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.AC162078.pdf
(318 pages)
3.PIC18F1230-ISO.pdf
(6 pages)
4.PIC18F1230-ISO.pdf
(12 pages)
5.PIC18F1230-ISO.pdf
(4 pages)
Specifications of PIC18F1230-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
18-DIP (0.300", 7.62mm)
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- AC162078 PDF datasheet #2
- PIC18F1230-ISO PDF datasheet #3
- PIC18F1230-ISO PDF datasheet #4
- PIC18F1230-ISO PDF datasheet #5
- Current page: 185 of 318
- Download datasheet (3Mb)
FIGURE 18-1:
18.2
The full range of voltage reference cannot be realized
due to the construction of the module. The transistors
on the top and bottom of the resistor ladder network
(Figure 18-1) keep CV
reference source rails. The voltage reference is derived
from the reference source; therefore, the CV
changes with fluctuations in that source. The tested
absolute accuracy of the voltage reference can be
found in Section 23.0 “Electrical Characteristics”.
TABLE 18-2:
2009 Microchip Technology Inc.
CVRCON
CMCON
Legend: Shaded cells are not used with the comparator voltage reference.
Name
Voltage Reference Accuracy/Error
V
AV
CVREN
CVRR
CVREN
REF
C2OUT
DD
Bit 7
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
+
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
REF
CVRSS = 1
CVRSS = 0
C1OUT
AV
Bit 6
from approaching the
—
SS
CVRSS = x
16 Steps
C0OUT
CVRR
Bit 5
REF
8R
output
R
R
R
R
R
R
R
CVRSS
Bit 4
—
8R
CVR3
Bit 3
18.3
When the device wakes up from Sleep through an
interrupt or a Watchdog Timer time-out, the contents of
the CVRCON register are not affected. To minimize
current consumption in Sleep mode, the voltage
reference should be disabled.
18.4
A device Reset disables the voltage reference by clearing
bit, CVREN (CVRCON<7>). This Reset selects the high-
voltage range by clearing bit, CVRR (CVRCON<5>). The
CVR value select bits are also cleared.
—
CVR3:CVR0
Operation During Sleep
Effects of a Reset
PIC18F1230/1330
CMEN2
CVR2
Bit 2
CVREN = 1
CMEN1
CVR1
Bit 1
CVREN = 0
CMEN0
CV
CVR0
Bit 0
DS39758D-page 185
REF
on Page:
Values
Reset
48
48
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