PIC12F509-I/P Microchip Technology Inc., PIC12F509-I/P Datasheet - Page 39

• 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

FIGURE 6-5:
© 2005 Microchip Technology Inc.
Note 1: T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.
WDT Enable bit
(GP2/RC5)/T0CKI
Watchdog
Timer
T
2: T0CKI is shared with pin RC5 on the PIC16F505 and pin GP2 on the PIC12F508/509.
CY
pin
(= F
T0SE
OSC
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
/4)
0
1
PSA
M
U
X
0
1
T0CS
M
U
X
0
8-bit Prescaler
Preliminary
8-to-1 MUX
Time-out
8
MUX
WDT
PIC12F508/509/16F505
1
0
1
PSA
M
U
X
PSA
PS<2:0>
Cycles
Sync
2
(1), (2)
TMR0 Reg
Data Bus
8
DS41236B-page 37