参数资料
型号: ADUC7034BCPZ
厂商: Analog Devices Inc
文件页数: 124/136页
文件大小: 0K
描述: IC MCU FLASH 32K ANLG IO 48LFCSP
标准包装: 1
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: 32KB(16K x 16)
程序存储器类型: 闪存
RAM 容量: 1K 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 ~ 115°C
封装/外壳: 48-VFQFN 裸露焊盘,CSP
包装: 托盘
ADuC7034
Rev. B | Page 88 of 136
GPIO Port2 Control Register
Name:
GP2CON
Address:
0xFFFF0D08
Default Value:
0x01000000
Access:
Read/write
Function:
This 32-bit MMR selects the pin function for each Port2 pin.
Table 60. GP2CON MMR Bit Designations
Bit
Description
31 to 25
Reserved. These bits are reserved and should be written as 0 by user code.
24
GPIO_13 function select bit.
Set to 1 by user code to route the STI data output to the STI pin.
Cleared to 0 by user code, and then the STI data is not routed to the external STI pin even if the STI interface is enabled
correctly.
23 to 21
Reserved. These bits are reserved and should be written as 0 by user code.
20
GPIO_12 function select bit.
Set to 1 by user code to route the UART TxD (transmit data) to the LIN/BSD data pin. This configuration is used in LIN mode.
Cleared to 0 by user code to route the LIN/BSD transmit data to an internal general-purpose I/O (GPIO_12) pad that can
then be written via the GP2DAT MMR. This configuration is used in BSD mode to allow user code to write output data to
the BSD interface, and it can also be used to support diagnostic write capability to the high voltage I/O pins (see
HVCFG1[2:0]).
19 to 17
Reserved. These bits are reserved and should be written as 0 by user code.
16
GPIO_11 function select bit.
Set to 1 by user code to route input data from the LIN/BSD interface to both the LIN/BSD hardware timing/synchronization
logic and to the UART RxD (receive data). This mode must be configured by user code when using LIN or BSD modes.
Cleared to 0 by user code to internally disable the LIN/BSD input data path. In this configuration, GPIO_11 is used to
support diagnostic readback on all external high voltage I/O pins (see HVCFG1[2:0]).
15 to 5
Reserved. These bits are reserved and should be written as 0 by user code.
4
GPIO_8 function select bit.
Set to 1 by user code to route the LIN/BSD input data to the GPIO_8 pin. This mode can be used to drive the LIN
transceiver interface as a standalone component without any interaction from MCU or UART.
Cleared to 0 by user code to configure the GPIO_8 pin as a general-purpose I/O (GPIO) pin.
3 to 1
Reserved. These bits are reserved and should be written as 0 by user code.
0
GPIO_7 function select bit.
Set to 1 by user code to route data driven into the GPIO_7 pin through the on-chip LIN transceiver to be output at the
LIN/BSD pin. This mode can be used to drive the LIN transceiver interface as a standalone component without any
interaction from MCU or UART.
Cleared to 0 by user code to configure the GPIO_7 pin as a general-purpose I/O (GPIO) pin.
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