PIC16LC77-04I/PQ Microchip Technology, PIC16LC77-04I/PQ Datasheet - Page 135
![IC MCU OTP 8KX14 A/D PWM 44-MQFP](/photos/6/59/65984/150-44-pqfp_sml.jpg)
PIC16LC77-04I/PQ
Manufacturer Part Number
PIC16LC77-04I/PQ
Description
IC MCU OTP 8KX14 A/D PWM 44-MQFP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16LC77-04I/PQ
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
14KB (8K x 14)
Program Memory Type
OTP
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 6 V
Data Converters
A/D 8x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-MQFP, 44-PQFP
Core
PIC
Processor Series
PIC16LC
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
Data Ram Size
368 B
Data Rom Size
368 B
On-chip Adc
8
Number Of Programmable I/os
33
Number Of Timers
3 bit
Operating Supply Voltage
2.5 V to 6 V
Mounting Style
SMD/SMT
Height
2 mm
Interface Type
I2C, SPI, USART
Length
10 mm
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
6 V
Supply Voltage (min)
2.5 V
Width
10 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LC77-04I/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
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14.4.5
On power-up the time-out sequence is as follows: First
PWRT time-out is invoked after the POR time delay has
expired. Then OST is activated. The total time-out will
vary based on oscillator configuration and the status of
the PWRT. For example, in RC mode with the PWRT
disabled, there will be no time-out at all. Figure 14-10,
Figure 14-11,
sequences on power-up.
Since the time-outs occur from the POR pulse, if MCLR
is kept low long enough, the time-outs will expire. Then
bringing MCLR high will begin execution immediately
(Figure 14-11). This is useful for testing purposes or to
synchronize more than one PIC16CXX device operat-
ing in parallel.
Table 14-7 shows the reset conditions for some special
function registers, while Table 14-8 shows the reset
conditions for all the registers.
TABLE 14-3:
TABLE 14-4:
TABLE 14-5:
Legend: u = unchanged, x = unknown
Oscillator Configuration
1997 Microchip Technology Inc.
Oscillator Configuration
POR
0
0
0
1
1
1
1
XT, HS, LP
TIME-OUT SEQUENCE
XT, HS, LP
RC
and
RC
TIME-OUT IN VARIOUS SITUATIONS, PIC16C73/74
TIME-OUT IN VARIOUS SITUATIONS, PIC16C72/73A/74A/76/77
STATUS BITS AND THEIR SIGNIFICANCE, PIC16C73/74
TO
Figure 14-12
1
0
x
0
0
u
1
72 ms + 1024T
PWRTE = 0
72 ms
PD
1
x
0
1
0
u
0
depict
72 ms + 1024T
PWRTE = 1
Power-up
OSC
Power-on Reset
Illegal, TO is set on POR
Illegal, PD is set on POR
WDT Reset
WDT Wake-up
MCLR Reset during normal operation
MCLR Reset during SLEEP or interrupt wake-up from SLEEP
72 ms
time-out
PWRTE = 1
1024T
OSC
Power-up
—
OSC
14.4.6
The Power Control/Status Register, PCON has up to
two bits, depending upon the device. Bit0 is not imple-
mented on the PIC16C73 or PIC16C74.
Bit0 is Brown-out Reset Status bit, BOR. Bit BOR is
unknown on a Power-on Reset. It must then be set by
the user and checked on subsequent resets to see if bit
BOR cleared, indicating a BOR occurred. The BOR bit
is a "Don’t Care" bit and is not necessarily predictable
if the Brown-out Reset circuitry is disabled (by clearing
bit BODEN in the Configuration Word).
Bit1 is POR (Power-on Reset Status bit). It is cleared
on a Power-on Reset and unaffected otherwise. The
user must set this bit following a Power-on Reset.
PWRTE = 0
1024T
72 ms + 1024T
POWER CONTROL/STATUS REGISTER
(PCON)
Applicable Devices
72 73 73A 74 74A 76 77
—
Brown-out
OSC
72 ms
OSC
Wake-up from SLEEP
PIC16C7X
Wake-up from SLEEP
1024 T
DS30390E-page 135
1024T
—
OSC
—
OSC
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