PIC16F785-I/SO Microchip Technology, PIC16F785-I/SO Datasheet - Page 124

• Manufacturer Part Number: PIC16F785-I/SO
• Description: IC PIC MCU FLASH 2KX14 20SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F785-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 20-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• Eeprom Size: 256 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: RS- 232/USB
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 3
• 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, DV164120, DM163029
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 14-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SO1-1 - SOCKET TRANS ICE 20DIP TO 20SOICXLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILAC162060 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOIC
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F785/HV785
REGISTER 15-2:
TABLE 15-8:
DS41249E-page 122
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-5
bit 4-1
bit 0
Name
OPTION_REG
STATUS
WDTCON
Legend:
Note
Note 1: If WDTE configuration bit = 1, then WDT is always enabled, irrespective of this control bit. If WDTE con-
U-0
—
1:
Shaded cells are not used by the Watchdog Timer.
See Register 15.2 for operation of all Configuration Word bits.
figuration bit = 0, then it is possible to turn WDT on/off with this control bit.
RAPU
Bit 7
Unimplemented: Read as ‘0’
WDTPS<3:0>: Watchdog Timer Period Select bits
Bit Value = Prescale Rate
0000 = 1:32
0001 = 1:64
0010 = 1:128
0011 = 1:256
0100 = 1:512 (Reset value)
0101 = 1:1024
0110 = 1:2048
0111 = 1:4096
1000 = 1:8192
1001 = 1:16384
1010 = 1:32768
1011 = 1:65536
1100 = reserved
1101 = reserved
1110 = reserved
1111 = reserved
SWDTEN: Software Enable or Disable the Watchdog Timer bit
1 = WDT is turned on
0 = WDT is turned off (Reset value)
IRP
—
SUMMARY OF WATCHDOG TIMER REGISTERS
U-0
—
WDTCON: WATCHDOG TIMER CONTROL REGISTER
INTEDG
Bit 6
RP1
—
W = Writable bit
‘1’ = Bit is set
T0CS
Bit 5
RPO
—
U-0
—
WDTPS3
Bit 4
T0SE
TO
WDTPS3
R/W-0
WDTPS2
Bit 3
PSA
PD
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
WDTPS2
R/W-1
WSTPS1
Bit 2
PS2
Z
WDTPS0
Bit 1
PS1
DC
WDTPS1
R/W-0
(1)
SWDTEN
Bit 0
PS0
C
© 2008 Microchip Technology Inc.
x = Bit is unknown
WDTPS0
POR, BOR
R/W-0
1111 1111
0001 1xxx
---0 1000
Value on
SWDTEN
Value on all
1111 1111
000q quuu
---0 1000
R/W-0
Resets
other
bit 0
(1)