PIC16LC642-04/SP Microchip Technology, PIC16LC642-04/SP Datasheet - Page 37
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PIC16LC642-04/SP
Manufacturer Part Number
PIC16LC642-04/SP
Description
IC MCU OTP 4KX14 COMP 28DIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheet
1.PIC16C642-04SO.pdf
(137 pages)
Specifications of PIC16LC642-04/SP
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
Brown-out Detect/Reset, LED, POR, WDT
Number Of I /o
22
Program Memory Size
7KB (4K x 14)
Program Memory Type
OTP
Ram Size
176 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
28-DIP (0.300", 7.62mm)
Processor Series
PIC16LC
Core
PIC
Data Bus Width
8 bit
Data Ram Size
176 B
Interface Type
RS- 232
Maximum Clock Frequency
4 MHz
Number Of Programmable I/os
22
Number Of Timers
8
Operating Supply Voltage
3 V to 6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000, DM163022
Minimum Operating Temperature
0 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Details
FIGURE 5-10: PORTE BLOCK DIAGRAM (IN I/O PORT MODE)
TABLE 5-9:
TABLE 5-10:
Name
RE0/RD
RE1/WR
RE2/CS
Legend: ST = Schmitt Trigger input, TTL = TTL input
Note 1: Input buffers are Schmitt Triggers when in I/O mode and TTL buffers when in Parallel Slave Port Mode.
Address
09h
89h
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by PORTE.
1996 Microchip Technology Inc.
Name
PORTE
TRISE
Note: I/O pins have protection diodes to V
Data Bus
WR PORT
WR TRIS
RD PORT
PORTE FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
Bit#
bit0
bit1
bit2
Bit 7
IBF
—
Bit 6
OBF
—
Buffer Type
ST/TTL
ST/TTL
ST/TTL
TRIS Latch
IBOV
Bit 5
Data Latch
—
D
D
CK
CK
(1)
(1)
(1)
PSPMODE
Q
Q
Q
Q
RD TRIS
Input/output port pin or read control input in parallel slave port mode:
Input/output port pin or write control input in parallel slave port mode:
Input/output port pin or chip select control input in parallel slave port
mode:
Bit 4
—
DD
Preliminary
and V
PIC16C64X & PIC16C66X
WR
1 = Not a write operation
CS
1 = Device is not selected
0 = Device is selected
RD
1 = Not a read operation
0 = Read operation. Reads PORTD register (if chip selected)
0 = Write operation. Writes PORTD register (if chip selected)
Bit 3
—
—
SS
.
TRISE2
Bit 2
RE2
Q
TRISE1
Bit 1
RE1
EN
EN
Function
D
TRISE0
Bit 0
RE0
---- -xxx
0000 -111
Value on:
POR,
BOR
Schmitt
Trigger
input
buffer
DS30559A-page 37
I/O pin
other resets
Value on all
---- -uuu
0000 -111