参数资料
型号: TMS320F28069PFPS
厂商: Texas Instruments
文件页数: 52/174页
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH 80HTQFP
产品培训模块: ControlSUITE
Piccolo F2806x
TPS75005 Single IC Power for C2000 MCU
标准包装: 1,000
系列: TMS320F2806x, Piccolo™, C2000™
核心处理器: C28x
芯体尺寸: 32-位
速度: 80MHz
连通性: CAN,I²C,McBSP,SCI,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 40
程序存储器容量: 256KB(128K x 16)
程序存储器类型: 闪存
RAM 容量: 50K x 16
电压 - 电源 (Vcc/Vdd): 1.71 V ~ 1.995 V
数据转换器: A/D 12x12b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 80-TQFP 裸露焊盘
包装: 托盘
SPRS698D – NOVEMBER 2010 – REVISED DECEMBER 2012
Table 5-67. Analog MUX(1)
DEFAULT AT RESET
PERIPHERAL SELECTION 2 AND
AIOx AND PERIPHERAL SELECTION 1
PERIPHERAL SELECTION 3
AIOMUX1 REGISTER BITS
AIOMUX1 BITS = 0,x
AIOMUX1 BITS = 1,x
1-0
ADCINA0 (I)
3-2
ADCINA1 (I)
5-4
AIO2 (I/O)
ADCINA2 (I), COMP1A (I)
7-6
ADCINA3 (I)
9-8
AIO4 (I/O)
ADCINA4 (I), COMP2A (I)
11-10
ADCINA5 (I)
13-12
AIO6 (I/O)
ADCINA6 (I), COMP3A (I)
15-14
ADCINA7 (I)
17-16
ADCINB0 (I)
19-18
ADCINB1 (I)
21-20
AIO10 (I/O)
ADCINB2 (I), COMP1B (I)
23-22
ADCINB3 (I)
25-24
AIO12 (I/O)
ADCINB4 (I), COMP2B (I)
27-26
ADCINB5 (I)
29-28
AIO14 (I/O)
ADCINB6 (I), COMP3B (I)
31-30
ADCINB7 (I)
(1)
I = Input, O = Output
The user can select the type of input qualification for each GPIO pin via the GPxQSEL1/2 registers from
four choices:
Synchronization To SYSCLKOUT Only (GPxQSEL1/2 = 0, 0): This is the default mode of all GPIO pins
at reset and it simply synchronizes the input signal to the system clock (SYSCLKOUT).
Qualification Using Sampling Window (GPxQSEL1/2 = 0, 1 and 1, 0): In this mode the input signal,
after synchronization to the system clock (SYSCLKOUT), is qualified by a specified number of cycles
before the input is allowed to change.
The sampling period is specified by the QUALPRD bits in the GPxCTRL register and is configurable in
groups of 8 signals. The sampling period specifies a multiple of SYSCLKOUT cycles for sampling the
input signal. The sampling window is either 3-samples or 6-samples wide and the output is only
changed when ALL samples are the same (all 0s or all 1s) as shown in Figure 4-18 (for 6 sample
mode).
No Synchronization (GPxQSEL1/2 = 1,1): This mode is used for peripherals where synchronization is
not required (synchronization is performed within the peripheral).
Due to the multi-level multiplexing that is required on the device, there may be cases where a peripheral
input signal can be mapped to more then one GPIO pin. Also, when an input signal is not selected, the
input signal will default to either a 0 or 1 state, depending on the peripheral.
Copyright 2010–2012, Texas Instruments Incorporated
Peripheral and Electrical Specifications
145
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