PIC16C433-E/P Microchip Technology, PIC16C433-E/P Datasheet - Page 68
PIC16C433-E/P
Manufacturer Part Number
PIC16C433-E/P
Description
IC MCU CMOS 8BIT 10MHZ 2K 18-DIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C433-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN (Local Interconnect Network)
Peripherals
POR, WDT
Number Of I /o
5
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
OTP
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
18-DIP (0.300", 7.62mm)
For Use With
DVA16XP185 - ADAPTER DEVICE ICE 18DIP/SOICAC164030 - MODULE SKT PROMATEII 28DIP/SOICDVA16XP140 - ADAPTER DEVICE FOR MPLAB-ICE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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PIC16C433
9.9
If the code protection bit(s) have not been pro-
grammed, the on-chip program memory can be read
out for verification purposes.
9.10
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.
9.11
PIC16C433 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.
The device is placed into a Program/Verify mode by hold-
ing the GP1 and GP0 pins low, while raising the MCLR
(V
tion). GP1 (clock) becomes the programming clock and
GP0 (data) becomes the programming data. Both GP0
and GP1 are Schmitt Trigger inputs in this mode.
After RESET, and if the device is placed into Program-
ming/Verify mode, the program counter (PC) is at loca-
tion 00h. A 6-bit command is then supplied to the
device. Depending on the command, 14 bits of pro-
gram data are then supplied to or from the device,
depending if the command was a load or a read. For
complete details of serial programming, please refer to
the PIC16C433 Programming Specifications.
DS41139B-page 66
Note:
PP
) pin from V
Program Verification/Code Protection
ID Locations
In-Circuit Serial Programming
Microchip does not recommend code pro-
tecting windowed devices.
IL
to V
IHH
(see programming specifica-
Preliminary
FIGURE 9-18: TYPICAL IN-CIRCUIT SERIAL
External
Connector
Signals
Data I/O
CLK
+5V
V
0V
PP
PROGRAMMING
CONNECTION
To Normal
Connections
To Normal
Connections
2002 Microchip Technology Inc.
V
V
MCLR/V
GP1
GP0
DD
SS
PIC16C433
PP
V
DD
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