參數(shù)資料
型號: ATTINY13V-10SSUR
廠商: Atmel
文件頁數(shù): 52/176頁
文件大?。?/td> 0K
描述: MCU AVR 1KB FLASH 10MHZ 8SOIC
產(chǎn)品培訓模塊: tinyAVR Introduction
標準包裝: 4,000
系列: AVR® ATtiny
核心處理器: AVR
芯體尺寸: 8-位
速度: 10MHz
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 6
程序存儲器容量: 1KB(512 x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 64 x 8
RAM 容量: 64 x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
包裝: 帶卷 (TR)
其它名稱: ATTINY13V-10SSUR-ND
ATTINY13V-10SSURTR
2010-2011 Microchip Technology Inc.
Preliminary
DS41430C-page 145
PIC16(L)F720/721
17.1.2.4
Slave Select Operation
The SS pin allows Synchronous Slave mode operation.
The SPI must be in Slave mode with SS pin control
enabled (SSPM<3:0> = 0100). The associated TRIS bit
for the SS pin must be set, making SS an input.
In Slave Select mode, when:
SS = 0, The device operates as specified in
SS = 1, The SPI module is held in Reset and the
SDO pin will be tri-stated.
When the SPI module resets, the bit counter is cleared
to ‘0’. This can be done by either forcing the SS pin to
a high level or clearing the SSPEN bit. Figure 17-6
shows the timing waveform for such a synchronization
event.
17.1.2.5
Sleep in Slave Mode
While in Sleep mode, the slave can transmit/receive
data. The SPI Transmit/Receive Shift register operates
asynchronously to the device on the externally supplied
clock source. This allows the device to be placed in
Sleep mode and data to be shifted into the SPI Trans-
mit/Receive Shift register. When all 8 bits have been
received, the SSP Interrupt Flag bit will be set and, if
enabled, will wake the device from Sleep.
FIGURE 17-6:
SLAVE SELECT SYNCHRONIZATION WAVEFORM
Note 1: When the SPI is in Slave mode with SS
pin control enabled (SSPM<3:0> = 0100),
the SPI module will reset if the SS pin is
driven high.
2: If the SPI is used in Slave mode with CKE
set, the SS pin control must be enabled.
Note:
SSPSR must be reinitialized by writing to
the SSPBUF register before the data can
be clocked out of the slave again.
SCK
(CKP = 1
SCK
(CKP = 0
Input
Sample
SDI
bit 7
SDO
bit 7
bit 6
bit 7
SSPIF
Interrupt
(SMP = 0)
CKE = 0)
(SMP = 0)
Write to
SSPBUF
SSPSR to
SSPBUF
SS
Flag
bit 0
bit 7
bit 0
SSPSR must be reinitialized by writing to
the SSPBUF register before the data can
be clocked out of the slave again.
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