PIC16F723A-E/SP Microchip Technology, PIC16F723A-E/SP Datasheet - Page 26
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PIC16F723A-E/SP
Manufacturer Part Number
PIC16F723A-E/SP
Description
7 KB Flash, 1.8V-5.5V, 16 MHz Int. Osc. 28 SPDIP .300in TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16F722AT-ISS.pdf
(284 pages)
Specifications of PIC16F723A-E/SP
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC16F/LF722A/723A
2.5
The INDF register is not a physical register. Addressing
the INDF register will cause indirect addressing.
Indirect addressing is possible by using the INDF
register. Any instruction using the INDF register
actually accesses data pointed to by the File Select
Register (FSR). Reading INDF itself indirectly will
produce 00h. Writing to the INDF register indirectly
results in a no operation (although Status bits may be
affected). An effective 9-bit address is obtained by
concatenating the 8-bit FSR register and the IRP bit of
the STATUS register, as shown in Figure 2-6.
A simple program to clear RAM location 020h-02Fh
using indirect addressing is shown in Example 2-2.
FIGURE 2-6:
DS41417A-page 26
Bank Select
RP1
Note:
Indirect Addressing, INDF and
FSR Registers
RP0 6
Direct Addressing
For memory map detail, refer to Figures 2-3 and 2-4.
Data
Memory
Location Select
DIRECT/INDIRECT ADDRESSING
From Opcode
7Fh
00h
Bank 0
00
0
Bank 1
01
Bank 2
10
EXAMPLE 2-2:
NEXTCLRFINDF
CONTINUE
Bank 3
MOVLW020h
MOVWFFSR
BANKISEL020h
INCFFSR
BTFSSFSR,4 ;all done?
GOTONEXT
11
IRP
Bank Select
180h
1FFh
;initialize pointer
;to RAM
;clear INDF register
;inc pointer
;no clear next
;yes continue
7
Indirect Addressing
INDIRECT ADDRESSING
2010 Microchip Technology Inc.
File Select Register
Location Select
0
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