参数资料
型号: ADUC7032BSTZ-88-RL
厂商: Analog Devices Inc
文件页数: 6/120页
文件大小: 0K
描述: IC MCU 96K FLASH DUAL 48LQFP
标准包装: 2,000
系列: MicroConverter® ADuC7xxx
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 20.48MHz
连通性: LIN,SPI,UART/USART
外围设备: POR,PSM,温度传感器,WDT
输入/输出数: 9
程序存储器容量: 96KB(48K x 16)
程序存储器类型: 闪存
RAM 容量: 1.5K x 32
电压 - 电源 (Vcc/Vdd): 3.5 V ~ 18 V
数据转换器: A/D 2x16b
振荡器型: 内部
工作温度: -40°C ~ 105°C
封装/外壳: 48-LQFP
包装: 带卷 (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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