PIC16C66-20I/SP Microchip Technology, PIC16C66-20I/SP Datasheet - Page 68
![IC MCU OTP 8KX14 PWM 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC16C66-20I/SP
Manufacturer Part Number
PIC16C66-20I/SP
Description
IC MCU OTP 8KX14 PWM 28DIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC16LC62A-04SP.pdf
(337 pages)
4.PIC16C66-04SO.pdf
(6 pages)
Specifications of PIC16C66-20I/SP
Core Size
8-Bit
Program Memory Size
14KB (8K x 14)
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Type
OTP
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Controller Family/series
PIC16C
No. Of I/o's
22
Ram Memory Size
368Byte
Cpu Speed
20MHz
No. Of Timers
3
No. Of Pwm Channels
2
Processor Series
PIC16C
Core
PIC
Data Bus Width
8 bit
Data Ram Size
368 B
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
22
Number Of Timers
3 bit
Operating Supply Voltage
2.5 V to 6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000, DM163022
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC16LC62A-04SP PDF datasheet #3
- PIC16C66-04SO PDF datasheet #4
- Current page: 68 of 337
- Download datasheet (3Mb)
PIC16C6X
7.3
An 8-bit counter is available as a prescaler for the
Timer0 module or as a postscaler for the Watchdog
Timer (WDT), respectively (Figure 7-6). For simplicity,
this counter is being referred to as “prescaler” through-
out this data sheet. Note that the prescaler may be
used by either the Timer0 module or the Watchdog
Timer, but not both. Thus, a prescaler assignment for
the Timer0 module means that there is no prescaler for
the Watchdog Timer, and vice-versa.
FIGURE 7-6:
DS30234D-page 68
Applicable Devices
61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
RA4/T0CKI
CLKOUT (=Fosc/4)
WDT Enable bit
pin
Watchdog
Timer
Prescaler
Note: T0CS, T0SE, PSA, PS2:PS0 are (OPTION<5:0>).
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
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 PS2:PS0 bits (OPTION<3:0>) determine
the prescaler assignment and prescale ratio.
When assigned to the Timer0 module, all instructions
writing to the TMR0 register (e.g. CLRF
MOVWF TMR0, BSF TMR0,bitx) will clear the pres-
caler count. When assigned to the Watchdog Timer, a
CLRWDT instruction will clear the Watchdog Timer and
the prescaler count. The prescaler is not readable or
writable.
Note:
PSA
PS2:PS0
Cycles
SYNC
Writing to TMR0 when the prescaler is
assigned to Timer0 will clear the prescaler
count, but will not change the prescaler
assignment.
2
1997 Microchip Technology Inc.
TMR0 reg
Data Bus
8
Set flag bit T0IF
on Overflow
TMR0,
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