PIC16C662-04E/PQ Microchip Technology, PIC16C662-04E/PQ Datasheet - Page 59
![IC MCU OTP 4KX14 COMP 44-MQFP](/photos/6/59/65984/150-44-pqfp_sml.jpg)
PIC16C662-04E/PQ
Manufacturer Part Number
PIC16C662-04E/PQ
Description
IC MCU OTP 4KX14 COMP 44-MQFP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C662-04E/PQ
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
Brown-out Detect/Reset, LED, POR, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
OTP
Ram Size
176 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-MQFP, 44-PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16C662-04E/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
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9.3
The PIC16CXXX differentiates between various kinds
of reset:
a)
b)
c)
d)
e)
f)
Some registers are not affected in any reset condition;
their status is unknown on POR and unchanged in any
other reset. Most other registers are reset to a “reset
FIGURE 9-7:
Note 1: This is a separate oscillator from the RC oscillator of the CLKIN pin.
V
1996 Microchip Technology Inc.
MCLR/
OSC1/
CLKIN
PP
V
Pin
Power-on reset (POR)
MCLR reset during normal operation
MCLR reset during SLEEP
WDT reset (normal operation)
Brown-out Reset (BOR)
Parity Error Reset (PER)
DD
Pin
Reset
On-chip
RC OSC
OST/PWRT
Brown-out
Program
Memory
V
Module
(1)
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
detect
Parity
WDT
DD
Reset
rise
OST
PWRT
SLEEP
10-bit Ripple-counter
WDT Time-out
10-bit Ripple-counter
Power-on Reset
MPEEN
BODEN
External
Reset
Preliminary
PIC16C64X & PIC16C66X
Enable PWRT
Enable OST
state” on Power-on reset, MCLR, WDT reset,
Brown-out Reset, Parity Error Reset, and on MCLR
reset during SLEEP. They are not affected by a WDT
wake-up, since this is viewed as the resumption of nor-
mal operation. TO and PD bits are set or cleared differ-
ently in different reset situations as indicated in
Table 9-4. These bits are used in software to determine
the nature of the reset. See Table 9-6 for a full descrip-
tion of reset states of all registers.
A simplified block diagram of the on-chip reset circuit is
shown in Figure 9-7.
The MCLR reset path has a noise filter to detect and
ignore small pulses. See Table 12-6 for pulse width
specification.
See Table 9-3 for time-out situations.
S
R
DS30559A-page 59
Q
Chip_Reset
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