参数资料
型号: ATTINY13V-10SSUR
厂商: Atmel
文件页数: 45/176页
文件大小: 0K
描述: MCU AVR 1KB FLASH 10MHZ 8SOIC
产品培训模块: tinyAVR Introduction
标准包装: 4,000
系列: AVR® ATtiny
核心处理器: AVR
芯体尺寸: 8-位
速度: 10MHz
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 6
程序存储器容量: 1KB(512 x 16)
程序存储器类型: 闪存
EEPROM 大小: 64 x 8
RAM 容量: 64 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
其它名称: ATTINY13V-10SSUR-ND
ATTINY13V-10SSURTR
2010-2011 Microchip Technology Inc.
Preliminary
DS41430C-page 139
PIC16(L)F720/721
17.0 SSP MODULE OVERVIEW
The Synchronous Serial Port (SSP) module is a serial
interface useful for communicating with other peripher-
als or microcontroller devices. These peripheral
devices may be serial EEPROMs, shift registers, dis-
play drivers, A/D converters, etc. The SSP module can
operate in one of two modes:
Serial Peripheral Interface (SPI)
Inter-Integrated Circuit (I2C)
17.1
SPI Mode
The SPI mode allows 8 bits of data to be synchronously
transmitted and received, simultaneously. The SSP
module can be operated in one of two SPI modes:
Master mode
Slave mode
SPI is a full-duplex protocol, with all communication
being bidirectional and initiated by a master device. All
clocking is provided by the master device and all bits
are transmitted, MSb first. Care must be taken to
ensure that all devices on the SPI bus are setup to
allow all controllers to send and receive data at the
same time.
A typical SPI connection between microcontroller
devices is shown in Figure 17-1. Addressing of more
than one slave device is accomplished via multiple
hardware slave select lines. External hardware and
additional I/O pins must be used to support multiple
slave select addressing. This prevents extra overhead
in software for communication.
For SPI 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)
FIGURE 17-1:
TYPICAL SPI MASTER/SLAVE CONNECTION
Serial Input Buffer
(SSPBUF)
Shift Register
(SSPSR)
MSb
LSb
SDO
SDI
Processor 1
SCK
SPI Master SSPM<3:0> = 00xx
Serial Input Buffer
(SSPBUF)
Shift Register
(SSPSR)
LSb
MSb
SDI
SDO
Processor 2
SCK
SPI Slave SSPM<3:0> = 010x
Serial Clock
SS
Slave Select
General I/O
(optional)
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