PIC16LF1904-E/P Microchip Technology, PIC16LF1904-E/P Datasheet - Page 96
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PIC16LF1904-E/P
Manufacturer Part Number
PIC16LF1904-E/P
Description
7KB Flash, 256B RAM, LCD, 14x10b ADC, EUSART, NanoWatt XLP 40 PDIP .600in TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1904-EMV.pdf
(288 pages)
Specifications of PIC16LF1904-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
LIN, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF1904-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC16LF1904/6/7
10.4
Instead of accessing program memory, the User ID’s,
Device ID/Revision ID and Configuration Words can be
accessed when CFGS = 1 in the PMCON1 register.
This is the region that would be pointed to by
PC<15> = 1, but not all addresses are accessible.
Different access may exist for reads and writes. Refer
to
When read access is initiated on an address outside
the
PMDATH:PMDATL register pair is cleared, reading
back ‘0’s.
TABLE 10-2:
EXAMPLE 10-4:
DS41569A-page 96
* This code block will read 1 word of program memory at the memory address:
*
*
Table
PROG_ADDR_LO (must be 00h-08h) data will be returned in the variables;
PROG_DATA_HI, PROG_DATA_LO
BANKSEL
MOVLW
MOVWF
CLRF
BSF
BCF
BSF
NOP
NOP
BSF
MOVF
MOVWF
MOVF
MOVWF
parameters
10-2.
User ID, Device ID and
Configuration Word Access
8000h-8003h
8007h-8008h
Address
8006h
PMADRL
PROG_ADDR_LO
PMADRL
PMADRH
PMCON1,CFGS
INTCON,GIE
PMCON1,RD
INTCON,GIE
PMDATL,W
PROG_DATA_LO
PMDATH,W
PROG_DATA_HI
USER ID, DEVICE ID AND CONFIGURATION WORD ACCESS (CFGS = 1)
listed
CONFIGURATION WORD AND DEVICE ID ACCESS
in
User IDs
Device ID/Revision ID
Configuration Words 1 and 2
Table
; Select correct Bank
;
; Store LSB of address
; Clear MSB of address
; Select Configuration Space
; Disable interrupts
; Initiate read
; Executed (See
; Ignored (See
; Restore interrupts
; Get LSB of word
; Store in user location
; Get MSB of word
; Store in user location
10-2,
Function
Preliminary
the
Figure
Figure
10-1)
10-1)
Read Access
Yes
Yes
Yes
2011 Microchip Technology Inc.
Write Access
Yes
No
No
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