PIC16F84AT-04/SS Microchip Technology, PIC16F84AT-04/SS Datasheet - Page 33
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PIC16F84AT-04/SS
Manufacturer Part Number
PIC16F84AT-04/SS
Description
IC MCU FLASH 1KX14 EE 20SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC16F84A-04P.pdf
(88 pages)
3.PIC16F84A-04P.pdf
(6 pages)
Specifications of PIC16F84AT-04/SS
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
13
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
68 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
20-SSOP
For Use With
XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPI3-DB16F84A - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
6.10.2
It should also be taken into account that under worst
case conditions (V
WDT Prescaler), it may take several seconds before a
WDT time-out occurs.
FIGURE 6-11:
TABLE 6-7:
2007h Config. bits
81h
Legend: x = unknown. Shaded cells are not used by the WDT.
Note 1: See Register 6-1 for operation of the PWRTE bit.
Addr
2001 Microchip Technology Inc.
Note:
2: See Register 6-1 and Section 6.12 for operation of the code and data protection bits.
OPTION_REG RBPU INTEDG
WDT PROGRAMMING
CONSIDERATIONS
Name
PSA and PS2:PS0 are bits in the OPTION_REG register.
SUMMARY OF REGISTERS ASSOCIATED WITH THE WATCHDOG TIMER
DD
= Min., Temperature = Max., Max.
WATCHDOG TIMER BLOCK DIAGRAM
WDT Timer
Bit 7
Enable Bit
(2)
WDT
From TMR0 Clock Source
Bit 6
(2)
(Figure 5-2)
T0CS
•
Bit 5
(2)
0
1
PSA
T0SE
Bit 4
M
U
X
(2)
PWRTE
Bit 3
PSA
0
(1)
Time-out
MUX
WDTE
8 - to -1 MUX
WDT
Bit 2
PS2
Postscaler
•
FOSC1
1
8
Bit 1
PS1
PSA
To TMR0 (Figure 5-2)
FOSC0
Bit 0
PS0
PIC16F84A
PS2:PS0
1111 1111 1111 1111
Power-on
Value on
Reset
(2)
DS35007B-page 31
Value on all
RESETS
other