參數(shù)資料
型號: ADUC7039BCP6Z-RL
廠商: Analog Devices Inc
文件頁數(shù): 66/92頁
文件大?。?/td> 0K
描述: IC MCU ARM7 BATT SENSER 32LFCSP
標(biāo)準(zhǔn)包裝: 2,500
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
外圍設(shè)備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 6
程序存儲器容量: 64KB(32K x 16)
程序存儲器類型: 閃存
RAM 容量: 1K 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: 32-VFQFN 裸露焊盤,CSP
包裝: 帶卷 (TR)
Data Sheet
ADuC7039
Rev. D | Page 69 of 92
GENERAL-PURPOSE INPUT/OUTPUT
The ADuC7039 features six general-purpose bidirectional
input/output (GPIO) pins. In general, 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, a sink capability
of 0.8 mA and a source capability of 0.1 mA. A typical GPIO
structure is shown Figure 28.
Figure 28. ADuC7039 GPIO
The six GPIOs are grouped into one 6-bit wide port. The GPIO
assignment within this port is detailed in Table 49.
During normal operation, user code can control the function
and state of the external GPIO pins by these general-purpose
registers. All GPIO pins retain their external level (high or low)
during power-down (POWCON) mode.
Table 49. External GPIO Pin to Internal Port Signal
Assignments
GPIO
Pin
Port
Signal
Functionality (Defined by GPCON)
GPIO_0
P0.0
General-purpose I/O.
SS
Slave select I/O for SPI.
GPIO_1
P0.1
General-purpose I/O.
SCLK
Serial clock I/O for SPI.
GPIO_2
P0.2
General-purpose I/O.
MISO
Master input, slave output for SPI.
GPIO_3
P0.3
General-purpose I/O.
MOSI
Master output, slave input for SPI.
GPIO_4
P0.4
General-purpose I/O.
LINRx
LIN input for LIN conformance testing.
IRQ1
External Interrupt Request 1.
GPIO_5
P0.5
General-purpose I/O.
LINTx
LIN output for LIN conformance testing.
Port pins are configured and controlled by four MMRs as
follows:
GPCON: control register
GPDAT: configuration and data register
GPSET: data set
GPCLR: data clear
GPIO
REG_DVDD
OUTPUT DRIVE ENABLE
GPDAT[31:24]
OUTPUT DATA
GPDAT[23:16]
INPUT DATA
GPDAT[7:0]
08463-
025
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