PIC12F509-I/P Microchip Technology Inc., PIC12F509-I/P Datasheet - Page 47

• Manufacturer Part Number: PIC12F509-I/P
• Description: 8 PIN, 1.5 KB FLASH, 41 RAM, 6 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC12F509-I/P

• Cpu Speed: 1 MIPS
• Eeprom Memory: 0 Bytes
• Frequency: 4 MHz
• Input Output: 6
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 8-pin PDIP
• Programmable Memory: 1.5K Bytes
• Ram Size: 41 Bytes
• Speed: 4 MHz
• Timers: 1-8-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TABLE 7-4:
TABLE 7-5:
© 2005 Microchip Technology Inc.
W
INDF
TMR0
PC
STATUS
FSR
OSCCAL
PORTB
PORTC
OPTION
TRISB
TRISC
Legend: u = unchanged, x = unknown, – = unimplemented bit, read as ‘0’, q = value depends on condition.
Note 1:
Power-on Reset
MCLR Reset during normal operation
MCLR Reset during Sleep
WDT Reset during Sleep
WDT Reset normal operation
Wake-up from Sleep on pin change
Legend: u = unchanged, x = unknown, – = unimplemented bit, read as ‘0’.
Register
2:
3:
Bits <7:2> of W register contain oscillator calibration values due to MOVLW XX instruction at top of
memory.
See Table 7-8 for Reset value for specific conditions.
If Reset was due to wake-up on pin change, then bit 7 = 1. All other Resets will cause bit 7 = 0.
RESET CONDITIONS FOR REGISTERS – PIC16F505
RESET CONDITION FOR SPECIAL REGISTERS
Address
00h
01h
02h
03h
04h
05h
06h
07h
—
—
—
—
Preliminary
Power-on Reset
STATUS Addr: 03h
qqqq qqqu
xxxx xxxx
xxxx xxxx
1111 1111
0001 1xxx
110x xxxx
1111 111-
--xx xxxx
--xx xxxx
1111 1111
--11 1111
--11 1111
PIC12F508/509/16F505
0001 1xxx
000u uuuu
0001 0uuu
0000 0uuu
0000 uuuu
1001 0uuu
(1)
MCLR Reset, WDT Time-out,
Wake-up On Pin Change
qqqq qqqu
q00q quuu
uuuu uuuu
uuuu uuuu
1111 1111
11uu uuuu
uuuu uuu-
--uu uuuu
--uu uuuu
1111 1111
--11 1111
--11 1111
PCL Addr: 02h
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
DS41236B-page 45
(1)
(2), (3)