PIC16CE624/JW Microchip Technology, PIC16CE624/JW Datasheet - Page 38
PIC16CE624/JW
Manufacturer Part Number
PIC16CE624/JW
Description
IC MCU EPROM1KX14 EE COMP 18CDIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheet
1.PIC16CE623-04P.pdf
(113 pages)
Specifications of PIC16CE624/JW
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
13
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
EPROM, UV
Eeprom Size
128 x 8
Ram Size
96 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
18-CDIP (0.300", 7.62mm) Window
For Use With
DVA16XP180 - ADAPTER DEVICE FOR MPLAB-ICEAC164010 - MODULE SKT PROMATEII DIP/SOIC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Connectivity
-
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PIC16CE62X
7.3
An 8-bit counter is available as a prescaler for the
Timer0 module, or as a postscaler for the Watchdog
Timer, respectively (Figure 7-6). For simplicity, this
counter is being referred to as “prescaler” throughout
this data sheet. Note that there is only one prescaler
available which is mutually exclusive between the
Timer0 module and the Watchdog Timer. Thus, a
prescaler assignment for the Timer0 module means
that there is no prescaler for the Watchdog Timer and
vice-versa.
FIGURE 7-6:
DS40182C-page 38
CLKOUT (= F
WDT Enable bit
Note: T0SE, T0CS, PSA, PS<2:0> are bits in the OPTION register.
T0CKI
Watchdog
pin
Timer
Prescaler
OSC
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
/4)
T0SE
0
1
PSA
M
U
X
0
1
T0CS
M
U
X
0
8-bit Prescaler
8-to-1MUX
Time-out
8
M U X
WDT
1
0
1
PSA
M
U
X
The PSA and PS<2:0> bits (OPTION<3:0>) determine
the prescaler assignment and prescale ratio.
When assigned to the Timer0 module, all instructions
writing to the TMR0 register (i.e., CLRF 1, MOVWF 1,
BSF 1,x....etc.) will clear the prescaler. When
assigned to WDT, a CLRWDT instruction will clear the
prescaler along with the Watchdog Timer. The
prescaler is not readable or writable.
PSA
PS<2:0>
Cycles
SYNC
2
1999 Microchip Technology Inc.
TMR0 reg
Data Bus
8
Set flag bit T0IF
on Overflow
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