PIC16F631-E/P Microchip Technology, PIC16F631-E/P Datasheet - Page 181
PIC16F631-E/P
Manufacturer Part Number
PIC16F631-E/P
Description
IC PIC MCU FLASH 1KX14 20DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F690DM-PCTLHS.pdf
(306 pages)
3.PIC16F677-IP.pdf
(2 pages)
4.PIC16F677-IP.pdf
(16 pages)
Specifications of PIC16F631-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
18
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-DIP (0.300", 7.62mm)
For Use With
658-1047-5 - BOARD EVALUATION ACCESSTOUCHAC162061 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOICACICE0203 - MPLABICE 20P 300 MIL ADAPTER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
- PIC16F616T-ISL PDF datasheet
- PIC16F690DM-PCTLHS PDF datasheet #2
- PIC16F677-IP PDF datasheet #3
- PIC16F677-IP PDF datasheet #4
- Current page: 181 of 306
- Download datasheet (6Mb)
13.0
The Synchronous Serial Port (SSP) module is a serial
interface used to communicate with other peripheral or
microcontroller devices. These peripheral devices
may be serial EEPROMs, shift registers, display
drivers, A/D converters, etc. The SSP module can
operate in one of two modes:
• Serial Peripheral Interface (SPI)
• Inter-Integrated Circuit (I
Refer to Application Note AN578, “Use of the SSP
Module in the Multi-Master Environment” (DS00578).
13.1
This section contains register definitions and operational
characteristics of the SPI module.
The SPI mode allows 8 bits of data to be synchronously
transmitted and received simultaneously. To accomplish
communication, typically three pins are used:
• Serial Data Out (SDO)
• Serial Data In (SDI)
• Serial Clock (SCK)
Additionally, a fourth pin may be used when in a Slave
mode of operation:
• Slave Select (SS)
© 2008 Microchip Technology Inc.
Note 1: When the SPI is in Slave mode with SS
2: If the SPI is used in Slave mode with
3: When the SPI is in Slave mode with SS
SSP MODULE OVERVIEW
SPI Mode
pin control enabled (SSPM<3:0> bits of
the SSPCON register = 0100), the SPI
module will reset if the SS pin is set to
V
CKE = 1, then the SS pin control must be
enabled.
pin control enabled (SSPM<3:0> bits of
the SSPCON register = 0100), the state
of the SS pin can affect the state read
back from the TRISC<4> bit. The
peripheral OE signal from the SSP
module into PORTC controls the state that
is read back from the TRISC<4> bit (see
Section 17.0
Specifications”
PORTC). If read-write-modify instructions,
such as BSF, are performed on the
TRISC register while the SS pin is high,
this will cause the TRISC<7> bit to be set,
thus disabling the SDO output.
DD
.
2
C
™
for
)
PIC16F631/677/685/687/689/690
information
“Electrical
on
FIGURE 13-1:
SDI/SDA
SCK/
SDO
SCL
SS
Peripheral OE
Read
SS Control
Select
TRISB<6>
Edge
bit 0
Enable
Select
Edge
SSPBUF Reg
SSP BLOCK DIAGRAM
(SPI MODE)
SSPSR Reg
SSPM<3:0>
Clock Select
4
2
DS41262E-page 179
Clock
Shift
Write
Prescaler
4, 16, 64
TMR2 Output
Data Bus
Internal
2
T
CY
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