PIC12F508-I/SN Microchip Technology, PIC12F508-I/SN Datasheet - Page 53

• Manufacturer Part Number: PIC12F508-I/SN
• Description: IC MCU FLASH 512X12 8SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 12Fr

Specifications of PIC12F508-I/SN

• Program Memory Type: FLASH
• Program Memory Size: 768B (512 x 12)
• Package / Case: 8-SOIC (3.9mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 5
• Ram Size: 25 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC12F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 25 B
• Interface Type: RS- 232/USB
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 6
• Number Of Timers: 1
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164101, DM163014, DV164120, DM163029
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162059 - HEADER INTRFC MPLAB ICD2 8/14PIN
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 7-11:
TABLE 7-7:
© 2009 Microchip Technology Inc.
N/A
N/A
Legend: Shaded boxes = Not used by Watchdog Timer. – = unimplemented, read as ‘0’, u = unchanged.
Note 1:
Address
2:
Note 1: T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.
PIC12F508/509 only.
PIC16F505 only.
OPTION
OPTION
Name
SUMMARY OF REGISTERS ASSOCIATED WITH THE WATCHDOG TIMER
(1)
(2)
Configuration
WDT Enable
WATCHDOG TIMER BLOCK DIAGRAM
Watchdog
GPWU GPPU T0CS
RBWU
Time
Bit 7
Bit
From Timer0 Clock Source
RBPU
(Figure 6-5)
Bit 6
T0CS
Bit 5
0
1
PSA
M
U
X
T0SE
T0SE
Bit 4
PIC12F508/509/16F505
Bit 3
PSA
PSA
WDT Time-out
0
MUX
8-to-1 MUX
Postscaler
Bit 2
Postscaler
PS2
PS2
1
Bit 1 Bit 0
PS1
PS1
PSA
To Timer0
PS0
PS0
PS<2:0>
1111 1111
1111 1111
Power-On
Value on
(Figure 6-4)
Reset
DS41236E-page 53
1111 1111
1111 1111
All Other
Value on
Resets