参数资料
型号: ADUC7032BSTZ-88-RL
厂商: Analog Devices Inc
文件页数: 98/120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 79 of 120
GENERAL-PURPOSE I/O
The ADuC7032-8L features nine general-purpose bidirectional
I/O pins (GPIO). 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, their sink capability is 0.8 mA, and
they can source 0.1 mA.
The nine GPIOs are grouped into three ports: Port0, Port1, and
Port2. Port0 is five bits wide. Port1 and Port2 are both two bits
wide. The GPIO assignment within each port is shown in Table 58.
A typical GPIO structure is shown in Figure 36.
External interrupts are present on GPIO_0, GPIO_5, GPIO_7,
and GPIO_8. These interrupts are level triggered and are active
high. These interrupts are not latched; therefore, the interrupts
source must be present until either IRQSTA or FIQSTA is
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 four sets (one set
for each port) of four port-specific MMRs.
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 via these general-purpose
registers. All GPIO pins retain their external high or low during
power-down (POWCON) mode.
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
05
98
6-
0
34
Figure 36. ADuC7032-8L GPIO
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