PIC16CE624/JW Microchip Technology, PIC16CE624/JW Datasheet - Page 31
![IC MCU EPROM1KX14 EE COMP 18CDIP](/photos/12/13/121351/150-18-cdip_sml.jpg)
PIC16CE624/JW
Manufacturer Part Number
PIC16CE624/JW
Description
IC MCU EPROM1KX14 EE COMP 18CDIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheet
1.PIC16CE623-04P.pdf
(113 pages)
Specifications of PIC16CE624/JW
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
13
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
EPROM, UV
Eeprom Size
128 x 8
Ram Size
96 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
18-CDIP (0.300", 7.62mm) Window
For Use With
DVA16XP180 - ADAPTER DEVICE FOR MPLAB-ICEAC164010 - MODULE SKT PROMATEII DIP/SOIC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Connectivity
-
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FIGURE 6-1:
FIGURE 6-2:
6.2
After generating a START condition, the processor
transmits a control byte consisting of a EEPROM
address and a Read/Write bit that indicates what type
of operation is to be performed. The EEPROM address
consists of a 4-bit device code (1010) followed by three
don’t care bits.
The last bit of the control byte determines the operation
to be performed. When set to a one, a read operation
is selected, and when set to a zero, a write operation is
selected. (Figure 6-3). The bus is monitored for its cor-
responding EEPROM address all the time. It generates
an acknowledge bit if the EEPROM address was true
and it is not in a programming mode.
SDA
SCL
1999 Microchip Technology Inc.
SCL
SDA
(A)
Device Addressing
CONDITION
START
(B)
DATA TRANSFER SEQUENCE ON THE SERIAL BUS
ACKNOWLEDGE TIMING
1
Transmitter must release the SDA line at this point
allowing the Receiver to pull the SDA line low to
acknowledge the previous eight bits of data.
2
3
Data from transmitter
4
ACKNOWLEDGE
ADDRESS OR
VALID
5
(C)
6
TO CHANGE
ALLOWED
7
DATA
Acknowledge
FIGURE 6-3:
8
Start Bit
Bit
S
9
1
Device Select
(D)
1
0
Receiver must release the SDA line at this
point so the Transmitter can continue
sending data.
Bits
Data from transmitter
EEPROM Address
CONTROL BYTE FORMAT
1
2
PIC16CE62X
0
3
Read/Write Bit
X
Don’t Care
Acknowledge Bit
Bits
X
DS40182C-page 31
X
CONDITION
R/W
STOP
(C)
ACK
(A)
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