參數(shù)資料
型號: ADUC7032BSTZ-88-RL
廠商: Analog Devices Inc
文件頁數(shù): 6/120頁
文件大小: 0K
描述: IC MCU 96K FLASH DUAL 48LQFP
標準包裝: 2,000
系列: MicroConverter® ADuC7xxx
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 20.48MHz
連通性: LIN,SPI,UART/USART
外圍設備: POR,PSM,溫度傳感器,WDT
輸入/輸出數(shù): 9
程序存儲器容量: 96KB(48K x 16)
程序存儲器類型: 閃存
RAM 容量: 1.5K x 32
電壓 - 電源 (Vcc/Vdd): 3.5 V ~ 18 V
數(shù)據(jù)轉換器: A/D 2x16b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 105°C
封裝/外殼: 48-LQFP
包裝: 帶卷 (TR)
ADuC7032-8L
Rev. A | Page 103 of 120
SPI Status Register
Name:
SPISTA
Address:
0xFFFF0A00
Default Value:
0x00
Access:
Read only
Function:
This 8-bit MMR represents the current status of the serial peripheral interface.
Table 90. SPISTA MMR Bit Designations
Bit
Description
7 to 6
Reserved.
5
SPIRX Data Register Overflow Status Bit.
Set if SPIRX is overflowing.
Cleared by reading SPIRX register.
4
SPIRX Data Register IRQ.
Set automatically if Bit 3 or Bit 5 is set.
Cleared by reading SPIRX register.
3
SPIRX Data Register Full Status Bit.
Set automatically if valid data is present in the SPIRX register.
Cleared by reading SPIRX register.
2
SPITX Data Register Underflow Status Bit.
Set automatically if SPITX is underflowing.
Cleared by writing in the SPITX register.
1
SPITX Data Register IRQ.
Set automatically if Bit 0 is cleared or Bit 2 is set.
Cleared by writing in the SPITX register or, if transmission finished, by disabling the SPI.
0
SPITX Data Register Empty Status Bit.
Set by writing to SPITX to send data. This bit is set during transmission of data.
Cleared when SPITX is empty.
SPI Divider Register
Name:
SPIDIV
Address:
0xFFFF0A0C
Default Value:
0x1B
Access:
Read/write
Function:
This 8-bit MMR represents the frequency at which the serial peripheral interface is operating. For more information on the
calculation of the baud rate, see the SCLK (Serial Clock I/O Pin) section.
SPI Receive Register
Name:
SPIRX
Address:
0xFFFF0A04
Default Value:
0x00
Access:
Read only
Function:
This 8-bit MMR contains the data received via the serial peripheral interface.
SPI Transmit Register
Name:
SPITX
Address:
0xFFFF0A08
Default Value:
0x00
Access:
Write only
Function:
This 8-bit MMR is written to, to transmit data via the serial peripheral interface.
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