PIC16C662-20/PQ Microchip Technology, PIC16C662-20/PQ Datasheet - Page 31
![IC MCU OTP 4KX14 COMP 44-MQFP](/photos/6/59/65984/150-44-pqfp_sml.jpg)
PIC16C662-20/PQ
Manufacturer Part Number
PIC16C662-20/PQ
Description
IC MCU OTP 4KX14 COMP 44-MQFP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C662-20/PQ
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, LED, POR, WDT
Number Of I /o
33
Program Memory Size
7KB (4K x 14)
Program Memory Type
OTP
Ram Size
176 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
44-MQFP, 44-PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16C662-20/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
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FIGURE 5-4:
TABLE 5-1:
TABLE 5-2:
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3
RA4/T0CKI
RA5
Legend: ST = Schmitt Trigger input
Address Name
05h
85h
1Fh
9Fh
Legend:
1996 Microchip Technology Inc.
Data
bus
WR
Port
WR
TRIS
Name
RD PORT
x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
TMR0 Clock Input
PORTA
TRISA
CMCON
VRCON
D
D
TRIS Latch
Data Latch
REF
CK
CK
RD TRIS
BLOCK DIAGRAM OF RA4 PIN
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Q
Q
Q
Q
C2OUT
VREN
Bit #
Bit 7
bit0
bit1
bit2
bit3
bit4
bit5
—
—
Comparator Output
C1OUT
VROE
Bit 6
—
—
Buffer
Type
ST
ST
ST
ST
ST
ST
TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 --11 1111
Bit 5
VRR
Comparator Mode = 110
RA5
—
Input/output or comparator input.
Input/output or comparator input.
Input/output or comparator input or V
Input/output or comparator input/output.
Input/output or external clock input for TMR0 or comparator output. Out-
put is open drain type.
Input/output.
Bit 4
RA4
—
—
Preliminary
PIC16C64X & PIC16C66X
Bit 3
RA3
VR3
CIS
Bit 2
CM2
RA2
VR2
Q
EN
Bit 1
CM1
RA1
VR1
Function
D
Schmitt Trigger
Input Buffer
REF
Bit 0
CM0
RA0
VR0
output.
V
N
SS
--xx 0000
00-- 0000
000- 0000
Value on:
POR,
BOR
RA4 Pin
DS30559A-page 31
--uu 0000
--11 1111
00-- 0000
000- 0000
Value on
all other
resets
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