PIC12F609-E/MS Microchip Technology, PIC12F609-E/MS Datasheet - Page 18
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PIC12F609-E/MS
Manufacturer Part Number
PIC12F609-E/MS
Description
1.75KB Flash, 64B RAM, 6 I/O, 8MHz Internal Oscillator 8 MSOP 3x3mm TUBE
Manufacturer
Microchip Technology
Series
PIC® 12Fr
Datasheets
1.PIC12F609T-ISN.pdf
(212 pages)
2.PIC12F609T-ISN.pdf
(8 pages)
3.PIC12F609T-ISN.pdf
(26 pages)
4.PIC12F609T-ISN.pdf
(8 pages)
Specifications of PIC12F609-E/MS
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
5
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Processor Series
PIC12F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
64 B
Interface Type
RS- 232 , USB
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
5
Number Of Timers
2
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Details
- PIC12F609T-ISN PDF datasheet
- PIC12F609T-ISN PDF datasheet #2
- PIC12F609T-ISN PDF datasheet #3
- PIC12F609T-ISN PDF datasheet #4
- Current page: 18 of 212
- Download datasheet (2Mb)
PIC12F609/615/617/12HV609/615
2.2.2.1
The STATUS register, shown in Register 2-1, contains:
• the arithmetic status of the ALU
• the Reset status
• the bank select bits for data memory (RAM)
The STATUS register can be the destination for any
instruction, like any other register. If the STATUS
register is the destination for an instruction that affects
the Z, DC or C bits, then the write to these three bits is
disabled. These bits are set or cleared according to the
device logic. Furthermore, the TO and PD bits are not
writable. Therefore, the result of an instruction with the
STATUS register as destination may be different than
intended.
For example, CLRF STATUS, will clear the upper three
bits and set the Z bit. This leaves the STATUS register
as ‘000u u1uu’ (where u = unchanged).
REGISTER 2-1:
DS41302D-page 18
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Note 1:
Reserved
IRP
For Borrow, the polarity is reversed. A subtraction is executed by adding the two’s complement of the
second operand. For rotate (RRF, RLF) instructions, this bit is loaded with either the high-order or low-order
bit of the source register.
STATUS Register
IRP: This bit is reserved and should be maintained as ‘0’
RP1: This bit is reserved and should be maintained as ‘0’
RP0: Register Bank Select bit (used for direct addressing)
1 = Bank 1 (80h – FFh)
0 = Bank 0 (00h – 7Fh)
TO: Time-out bit
1 = After power-up, CLRWDT instruction or SLEEP instruction
0 = A WDT time-out occurred
PD: Power-down bit
1 = After power-up or by the CLRWDT instruction
0 = By execution of the SLEEP instruction
Z: Zero bit
1 = The result of an arithmetic or logic operation is zero
0 = The result of an arithmetic or logic operation is not zero
DC: Digit Carry/Borrow bit (ADDWF, ADDLW,SUBLW,SUBWF instructions), For Borrow, the polarity is
reversed.
1 = A carry-out from the 4th low-order bit of the result occurred
0 = No carry-out from the 4th low-order bit of the result
C: Carry/Borrow bit
1 = A carry-out from the Most Significant bit of the result occurred
0 = No carry-out from the Most Significant bit of the result occurred
Reserved
RP1
STATUS: STATUS REGISTER
W = Writable bit
‘1’ = Bit is set
R/W-0
RP0
(1)
(ADDWF, ADDLW, SUBLW, SUBWF instructions)
R-1
TO
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
It is recommended, therefore, that only BCF, BSF,
SWAPF and MOVWF instructions are used to alter the
STATUS register, because these instructions do not
affect any Status bits. For other instructions not
affecting any Status bits, see the Section 14.0
“Instruction Set Summary”.
R-1
PD
Note 1: Bits IRP and RP1 of the STATUS register
2: The C and DC bits operate as a Borrow
are not used by the PIC12F609/615/617/
12HV609/615 and should be maintained
as clear. Use of these bits is not recom-
mended, since this may affect upward
compatibility with future products.
and Digit Borrow out bit, respectively, in
subtraction. See the SUBLW and SUBWF
instructions for examples.
R/W-x
Z
2010 Microchip Technology Inc.
x = Bit is unknown
R/W-x
DC
R/W-x
C
bit 0
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