PIC12LC671T-04/SM Microchip Technology, PIC12LC671T-04/SM Datasheet - Page 70
PIC12LC671T-04/SM
Manufacturer Part Number
PIC12LC671T-04/SM
Description
IC MCU OTP 1KX14 LV A/D 8-SOIJ
Manufacturer
Microchip Technology
Series
PIC® 12Cr
Specifications of PIC12LC671T-04/SM
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
5
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
OTP
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
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PIC12C67X
10.1
The PIC12C67X’s orthogonal instruction set allows
read and write of all file registers, including special
function registers. There are some special situations
the user should be aware of:
10.1.1
If an instruction writes to STATUS, the Z, C and DC bits
may be set or cleared as a result of the instruction and
overwrite the original data bits written. For example,
executing CLRF STATUS will clear register STATUS,
and then set the Z bit leaving 0000 0100b in the reg-
ister.
10.1.2
Bit 3 of the TRIS register always reads as a '1' since
GP3 is an input only pin. This fact can affect some read-
modify-write operations on the TRIS register.
DS30561B-page 70
Special Function Registers as
Source/Destination
STATUS AS DESTINATION
TRIS AS DESTINATION
10.1.3
Read, write or read-modify-write on PCL may have the
following results:
Read PC:
Write PCL:
Read-Modify-Write:
Where PCH = program counter high byte (not an
addressable register), PCLATH = Program counter
high holding latch, dest = destination, WREG or f.
10.1.4
All bit manipulation instructions are done by first read-
ing the entire register, operating on the selected bit and
writing the result back (read-modify-write). The user
should keep this in mind when operating on special
function registers, such as ports.
PCL AS SOURCE OR DESTINATION
BIT MANIPULATION
PCL
PCLATH
8-bit destination value
PCL
PCLATH
8-bit result
1999 Microchip Technology Inc.
ALU operand
dest
PCH;
PCH;
PCL
PCL
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