PIC17C756-33I/L Microchip Technology, PIC17C756-33I/L Datasheet - Page 182
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC17C756-33I/L
Manufacturer Part Number
PIC17C756-33I/L
Description
MICRO CTRL 16K MEMORY OTP 68PLCC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C752-16L.pdf
(304 pages)
3.PIC17C752-16L.pdf
(4 pages)
4.PIC17C752-16L.pdf
(6 pages)
5.PIC17C756CL.pdf
(321 pages)
Specifications of PIC17C756-33I/L
Core Processor
PIC
Core Size
8-Bit
Speed
33MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
32KB (16K x 16)
Program Memory Type
OTP
Ram Size
902 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
68-PLCC
For Use With
AC164308 - MODULE SKT FOR PM3 68PLCCDVA17XL681 - DEVICE ADAPTER FOR PIC17C752DM173001 - KIT DEVELOPMENT PICDEM17AC174007 - MODULE SKT PROMATEII 68PLCCAC164024 - ADAPTER PICSTART PLUS 68PLCC
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC17C756-33I/L
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC17C752-16L PDF datasheet #2
- PIC17C752-16L PDF datasheet #3
- PIC17C752-16L PDF datasheet #4
- PIC17C756CL PDF datasheet #5
- Current page: 182 of 321
- Download datasheet (3Mb)
17.6
The PIC17C75X group of the high end family
(PIC17CXXX) has an added feature that allows serial
programming 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.
“special” variants of the product may be offered, and
code updates are possible. This allows for increased
design flexibility.
To place the device into the serial programming test
mode, two pins will need to be placed at V
are the TEST pin and the MCLR/V
sequence of events must occur as follows:
1.
2.
There is a setup time between step 1 and step 2 that
must be met.
After this sequence the Program Counter is pointing to
program memory address 0xFF60. This location is in
the Boot ROM. The code initializes the USART/SCI so
that it can receive commands. For this, the device must
be clocked. The device clock source in this mode is the
RA1/T0CKI pin. After delaying to allow the USART/SCI
to initialize, commands can be received. The flow is
shown in these 3 steps:
1.
2.
3.
TABLE 17-3:
DS30264A-page 182
Devices may be serialized to make the product unique,
Name
RA4/RX1/DT1
RA5/TX1/CK1
RA1/T0CKI
TEST
MCLR/V
V
V
DD
SS
The TEST pin is placed at V
The MCLR/V
The device clock source starts.
Wait 80 device clocks for Boot ROM code to
configure the USART/SCI.
Commands may now be sent.
In-Circuit Serial Programming
PP
PP
ISP INTERFACE PINS
pin is placed at V
MCLR/V
Function
TEST
OSCI
IHH
V
V
DT
CK
DD
SS
.
IHH
PP
PP
.
pin. Also a
IHH
. These
Type
I/O
P
P
P
Preliminary
I
I
I
Description
Serial Data
Serial Clock
Device Clock Source
Test mode selection control input. Force to V
Master Clear reset and Device Programming Voltage
Positive supply for logic and I/O pins
Ground reference for logic and I/O pins
During Programming
For complete details of serial programming, please
refer to the PIC17C75X Programming Specification.
(Contact your local Microchip Technology Sales Office
for availability.)
FIGURE 17-4: TYPICAL IN-CIRCUIT SERIAL
TEST CNTL
Dev. CLK
Data CLK
External
Connector
Signals
Data I/O
+5V
V
0V
PP
PROGRAMMING
CONNECTION
To Normal
Connections
To Normal
Connections
1997 Microchip Technology Inc.
V
V
MCLR/V
TEST
RA1/T0CKI
RA4/RX1/DT1
RA5/TX1/CK1
DD
SS
PIC17C75X
IHH
,
V
PP
DD
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