參數(shù)資料
型號: ADUC7036DCPZ
廠商: Analog Devices Inc
文件頁數(shù): 116/132頁
文件大小: 0K
描述: IC MCU 96K FLASH DUAL 48LFCSP
標準包裝: 1
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(shè)備: 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(zhuǎn)換器: A/D 2x16b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 115°C
封裝/外殼: 48-VFQFN 裸露焊盤,CSP
包裝: 托盤
ADuC7036
Rev. C | Page 84 of 132
GENERAL-PURPOSE I/O
The ADuC7036 features nine general-purpose bidirectional input/
output (GPIO) pins. In general, many of the GPIO pins have
multiple functions that can be configured by user code. By default,
the GPIO pins are configured in GPIO mode. All GPIO pins have
an internal pull-up resistor with a sink capability of 0.8 mA and
a source capability of 0.1 mA.
The nine GPIOs are grouped into three ports: Port0, Port1, and
Port2. Port0 is five bits wide. Port1 and Port2 are each two bits
wide. The GPIO assignment within each port is detailed in
Table 58. A typical GPIO structure is shown Figure 40.
1ONLY AVAILABLE ON GPIO_0, GPIO_5, GPIO_7, AND GPIO_8.
GPIO
REG_DVDD
OUTPUT DRIVE ENABLE
GPxDAT[31:24]
OUTPUT DATA
GPxDAT[23:16]
INPUT DATA
GPxDAT[7:0]
GPIO IRQ1
07
47
4-
03
7
Figure 40. Typical GPIO Structure
External interrupts are present on GPIO_0, GPIO_5, GPIO_7,
and GPIO_8. These interrupts are level triggered and active high.
These interrupts are not latched; therefore, the interrupt source
must be present until either IRQSTA or FIQSTA are interrogated.
The interrupt source must be active for at least one CD-divided
core clock to guarantee recognition.
All port pins are configured and controlled by three sets (one
set for each port) of four port-specific MMRs, as follows:
GPxCON: Portx control register
GPxDAT: Portx configuration and data register
GPxSET: Portx data set
GPxCLR: Portx data clear
where x corresponds to the port number (0, 1, or 2).
During normal operation, user code can control the function
and state of the external GPIO pins using these general-purpose
registers. All GPIO pins retain their external level (high or low)
during power-down (POWCON) mode.
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