PIC16LC67-04I/L Microchip Technology, PIC16LC67-04I/L Datasheet - Page 142
![IC MCU OTP 8KX14 PWM 44PLCC](/photos/6/63/66325/150-44-plcc_sml.jpg)
PIC16LC67-04I/L
Manufacturer Part Number
PIC16LC67-04I/L
Description
IC MCU OTP 8KX14 PWM 44PLCC
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheet
1.PIC16LC62A-04SP.pdf
(337 pages)
Specifications of PIC16LC67-04I/L
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
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LC67-04I/L
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC16C6X
FIGURE 13-22: WAKE-UP FROM SLEEP THROUGH INTERRUPT
13.9
If the code protection bit(s) have not been pro-
grammed, the on-chip program memory can be read
out for verification purposes.
13.10
Four memory locations (2000h - 2003h) are designated
as ID locations where the user can store checksum or
other code-identification numbers. These locations are
not accessible during normal execution but are read-
able and writable during program/verify. It is recom-
mended that only the 4 least significant bits of the ID
location are used.
For ROM devices, these values are submitted along
with the ROM code.
13.11
The PIC16CXX microcontrollers can be serially pro-
grammed while in the end application circuit. This is
simply done with two lines for clock and data, and three
other lines for power, ground, and the programming
voltage. This allows customers to manufacture boards
with unprogrammed devices, and then program the
microcontroller just before shipping the product. This
also allows the most recent firmware or a custom firm-
ware to be programmed.
DS30234D-page 142
Applicable Devices
61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
Applicable Devices
61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
Applicable Devices
61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
INSTRUCTION FLOW
Note:
INTF flag
(INTCON<1>)
GIE bit
(INTCON<7>)
Note 1: XT, HS or LP oscillator mode assumed.
Instruction
fetched
Instruction
executed
CLKOUT(4)
4: CLKOUT is not available in these osc modes, but shown here for timing reference.
2: T
3: GIE = '1' assumed. In this case after wake-up, the processor jumps to the interrupt routine.
INT pin
OSC1
Program Verification/Code Protection
ID Locations
If GIE = '0', execution will continue in-line.
PC
In-Circuit Serial Programming
OST
Microchip does not recommend code pro-
tecting windowed devices.
= 1024T
Inst(PC) = SLEEP
Q1 Q2 Q3 Q4
Inst(PC - 1)
PC
OSC
(drawing not to scale) This delay will not be there for RC osc mode.
Q1 Q2 Q3 Q4
Inst(PC + 1)
SLEEP
PC+1
Q1
Processor in
SLEEP
PC+2
T
OST
(2)
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Inst(PC + 2)
Inst(PC + 1)
The device is placed into a program/verify mode by
holding pins RB6 and RB7 low while raising the MCLR
(V
tion). RB6 becomes the programming clock and RB7
becomes the programming data. Both RB6 and RB7
are Schmitt Trigger inputs in this mode.
After reset, to place the device in program/verify mode,
the program counter (PC) is at location 00h. A 6-bit
command is then supplied to the device. Depending on
the command, 14-bits of program data are then sup-
plied to or from the device, depending if the command
was a load or a read. For complete details of serial pro-
gramming, please refer to the PIC16C6X/7X Program-
ming Specifications (Literature #DS30228).
FIGURE 13-23: TYPICAL IN-CIRCUIT SERIAL
PC+2
PP
External
Connector
Signals
Data I/O
) pin from V
CLK
+5V
V
0V
PP
Interrupt Latency
Dummy cycle
(Note 2)
PC + 2
IL
PROGRAMMING
CONNECTION
to V
To Normal
Connections
IHH
To Normal
Connections
Q1 Q2 Q3 Q4
Inst(0004h)
Dummy cycle
(see programming specifica-
1997 Microchip Technology Inc.
0004h
V
V
MCLR/V
RB6
RB7
V
Q1 Q2 Q3 Q4
DD
SS
DD
Inst(0005h)
PIC16CXX
Inst(0004h)
0005h
PP
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