PIC16C76-20I/SO Microchip Technology, PIC16C76-20I/SO Datasheet - Page 43
![IC MCU OTP 8KX14 A/D PWM 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC16C76-20I/SO
Manufacturer Part Number
PIC16C76-20I/SO
Description
IC MCU OTP 8KX14 A/D PWM 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC16C72-04SO.pdf
(289 pages)
4.PIC16C76-04SP.pdf
(8 pages)
Specifications of PIC16C76-20I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
14KB (8K x 14)
Program Memory Type
OTP
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Data Converters
A/D 5x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
For Use With
XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL309-1073 - ADAPTER 28-SOIC TO 28-SOIC309-1024 - ADAPTER 28-SOIC TO 28-DIP309-1023 - ADAPTER 28-SOIC TO 28-DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
PIC16C76-20I/SOR
PIC16C76-20I/SOR
PIC16C76-20I/SOR
- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC16C72-04SO PDF datasheet #3
- PIC16C76-04SP PDF datasheet #4
- Current page: 43 of 289
- Download datasheet (3Mb)
5.0
Some pins for these I/O ports are multiplexed with an
alternate function for the peripheral features on the
device. In general, when a peripheral is enabled, that
pin may not be used as a general purpose I/O pin.
5.1
PORTA is a 6-bit latch.
The RA4/T0CKI pin is a Schmitt Trigger input and an
open drain output. All other RA port pins have TTL input
levels and full CMOS output drivers. All pins have data
direction bits (TRIS registers) which can configure
these pins as output or input.
Setting a TRISA register bit puts the corresponding out-
put driver in a hi-impedance mode. Clearing a bit in the
TRISA register puts the contents of the output latch on
the selected pin(s).
Reading the PORTA register reads the status of the
pins whereas writing to it will write to the port latch. All
write operations are read-modify-write operations.
Therefore a write to a port implies that the port pins are
read, this value is modified, and then written to the port
data latch.
Pin RA4 is multiplexed with the Timer0 module clock
input to become the RA4/T0CKI pin.
Other PORTA pins are multiplexed with analog inputs
and analog V
selected by clearing/setting the control bits in the
ADCON1 register (A/D Control Register1).
The TRISA register controls the direction of the RA
pins, even when they are being used as analog inputs.
The user must ensure the bits in the TRISA register are
maintained set when using them as analog inputs.
EXAMPLE 5-1:
BCF
BCF
CLRF
BSF
MOVLW
MOVWF
1997 Microchip Technology Inc.
Note:
STATUS, RP0
STATUS, RP1
PORTA
STATUS, RP0
0xCF
TRISA
I/O PORTS
PORTA and TRISA Registers
Applicable Devices
72 73 73A 74 74A 76 77
Applicable Devices
72 73 73A 74 74A 76 77
On a Power-on Reset, these pins are con-
figured as analog inputs and read as '0'.
REF
input. The operation of each pin is
INITIALIZING PORTA
;
; PIC16C76/77 only
; Initialize PORTA by
; clearing output
; data latches
; Select Bank 1
; Value used to
; initialize data
; direction
; Set RA<3:0> as inputs
; RA<5:4> as outputs
; TRISA<7:6> are always
; read as '0'.
FIGURE 5-1:
FIGURE 5-2:
Data
bus
WR
Port
WR
TRIS
RD PORT
To A/D Converter
Note 1: I/O pins have protection diodes to V
Data
bus
WR
TRIS
WR
PORT
RD PORT
Note 1: I/O pin has protection diodes to V
TMR0 clock input
V
D
D
Data Latch
TRIS Latch
SS
CK
CK
TRIS Latch
.
Data Latch
D
D
CK
CK
RD TRIS
BLOCK DIAGRAM OF
RA3:RA0 AND RA5 PINS
BLOCK DIAGRAM OF RA4/
T0CKI PIN
Q
Q
Q
Q
RD TRIS
Q
Q
Q
Q
Q
PIC16C7X
Q
EN
Schmitt
Trigger
input
buffer
Analog
input
mode
EN
EN
D
D
DS30390E-page 43
V
N
SS
V
V
P
N
SS
DD
SS
DD
I/O pin
only.
and
TTL
input
buffer
I/O pin
(1)
(1)
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