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PIC16F1946 Scheda tecnica(PDF) 243 Page - Microchip Technology

Il numero della parte PIC16F1946
Spiegazioni elettronici  64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology
PDF  478 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1946 Scheda tecnica(HTML) 243 Page - Microchip Technology

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 2010-2012 Microchip Technology Inc.
DS41414D-page 243
PIC16(L)F1946/47
24.0 MASTER SYNCHRONOUS
SERIAL PORT (MSSP1 AND
MSSP2) MODULE
24.1
Master SSPx (MSSPx) Module
Overview
The Master Synchronous Serial Port (MSSPx) module
is a serial interface useful for communicating with other
peripheral or microcontroller devices. These peripheral
devices may be serial EEPROMs, shift registers, dis-
play drivers, A/D converters, etc. The MSSPx module
can operate in one of two modes:
• Serial Peripheral Interface (SPI)
• Inter-Integrated Circuit (I2C™)
The SPI interface supports the following modes and
features:
•Master mode
• Slave mode
• Clock Parity
• Slave Select Synchronization (Slave mode only)
• Daisy-chain connection of slave devices
Figure 24-1 is a block diagram of the SPI interface
module.
FIGURE 24-1:
MSSPX BLOCK DIAGRAM (SPI MODE)
(
)
Read
Write
Data Bus
SSPxSR Reg
SSPM<3:0>
bit 0
Shift
Clock
SSx Control
Enable
Edge
Select
Clock Select
TMR2 Output
TOSC
Prescaler
4, 16, 64
2
Edge
Select
2 (CKP, CKE)
4
TRIS bit
SDOx
SSPxBUF Reg
SDIx
SSx
SCKx
Baud Rate
Generator
(SSPxADD)



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