參數(shù)資料
型號: ATTINY13V-10SSUR
廠商: Atmel
文件頁數(shù): 42/176頁
文件大小: 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(shè)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
PIC16(L)F720/721
DS41430C-page 136
Preliminary
2010-2011 Microchip Technology Inc.
16.3.2
SYNCHRONOUS SLAVE MODE
The following bits are used to configure the AUSART
for synchronous slave operation:
SYNC = 1
CSRC = 0
SREN = 0 (for transmit); SREN = 1 (for receive)
CREN = 0 (for transmit); CREN = 1 (for receive)
SPEN = 1
Setting the SYNC bit of the TXSTA register configures the
device for synchronous operation. Clearing the CSRC bit
of the TXSTA register configures the device as a slave.
Clearing the SREN and CREN bits of the RCSTA register
ensures that the device is in the Transmit mode,
otherwise the device will be configured to receive. Setting
the SPEN bit of the RCSTA register enables the
AUSART.
16.3.2.1
AUSART Synchronous Slave
Transmit
The operation of the Synchronous Master and Slave
modes
are
identical
(refer
to
case of the Sleep mode.
If two words are written to the TXREG and then the
SLEEP instruction is executed, the following will occur:
1.
The first character will immediately transfer to
the TSR register and transmit.
2.
The second word will remain in TXREG register.
3.
The TXIF bit will not be set.
4.
After the first character has been shifted out of
TSR, the TXREG register will transfer the second
character to the TSR and the TXIF bit will now be
set.
5.
If the PEIE and TXIE bits are set, the interrupt
will wake the device from Sleep and execute the
next instruction. If the GIE bit is also set, the
program will call the Interrupt Service Routine.
16.3.2.2
Synchronous Slave Transmission
Setup
1.
Set the SYNC and SPEN bits and clear the
CSRC bit.
2.
Clear the CREN and SREN bits.
3.
If using interrupts, ensure that the GIE and PEIE
bits of the INTCON register are set and set the
TXIE bit.
4.
If 9-bit transmission is desired, set the TX9 bit.
5.
Enable transmission by setting the TXEN bit.
6.
Verify address detection is disabled by clearing
the ADDEN bit of the RCSTA register.
7.
If 9-bit transmission is selected, insert the Most
Significant bit into the TX9D bit.
8.
Start transmission by writing the
Least
Significant 8 bits to the TXREG register.
TABLE 16-8:
REGISTERS ASSOCIATED WITH SYNCHRONOUS SLAVE TRANSMISSION
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register
on Page
INTCON
GIE
PEIE
TMR0IE
INTE
RABIE
TMR0IF
INTF
RABIF
PIE1
TMR1GIE
ADIE
RCIE
TXIE
SSPIE
CCP1IE
TMR2IE
TMR1IE
PIR1
TMR1GIF
ADIF
RCIF
TXIF
SSPIF
CCP1IF
TMR2IF
TMR1IF
RCSTA
SPEN
RX9
SREN
CREN
ADDEN
FERR
OERR
RX9D
TRISC
TRISC7
TRISC6
TRISC5
TRISC4
TRISC3
TRISC2
TRISC1
TRISC0
TXREG
AUSART Transmit Data Register
TXSTA
CSRC
TX9
TXEN
SYNC
BRGH
TRMT
TX9D
Legend: x = unknown, - = unimplemented read as ‘0’. Shaded cells are not used for synchronous slave
transmission.
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