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| 型号： | USB-I2C/LIN-CONV-Z |
| 厂商： | Analog Devices Inc |
| 文件页数： | 30/104页 |
| 文件大小： | 0K |
| 描述： | USB TO I2C/LIN CONV BOARD |
| 标准包装： | 1 |
| 附件类型： | 适配器板 |
| 适用于相关产品： | ARM7TDMI? |
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Data Sheet
ADuC7019/20/21/22/24/25/26/27/28/29
Rev. F | Page 31 of 104
ADUC7028
A
8
7
6
5
4
3
2
1
B
C
D
E
F
G
H
BOTTOM VIEW
(Not to Scale)
04955-
086
Figure 26. 64-Ball CSP_BGA Pin Configuration (ADuC7028)
Table 14. Pin Function Descriptions (ADuC7028)
Ball No.
Mnemonic
Description
A1
ADC3/CMP1
Single-Ended or Differential Analog Input 3/Comparator Negative Input.
A2
DACVDD
3.3 V Power Supply for the DACs. Must be connected to AVDD.
A3
AVDD
3.3 V Analog Power.
A4
AGND
Analog Ground. Ground reference point for the analog circuitry.
A5
DACGND
Ground for the DAC. Typically connected to AGND.
A6
P4.2/PLAO[10]
General-Purpose Input and Output Port 4.2/Programmable Logic Array Output Element 10.
A7
P1.1/SPM1/PLAI[1]
Serial Port Multiplexed. General-Purpose Input and Output Port 1.1/UART, I2C0/Programmable
Logic Array Input Element 1.
A8
P1.2/SPM2/PLAI[2]
Serial Port Multiplexed. General-Purpose Input and Output Port 1.2/UART, I2C1/Programmable
Logic Array Input Element 2.
B1
ADC4
Single-Ended or Differential Analog Input 4.
B2
ADC2/CMP0
Single-Ended or Differential Analog Input 2/Comparator Positive Input.
B3
ADC1
Single-Ended or Differential Analog Input 1.
B4
DACREF
External Voltage Reference for the DACs. Range: DACGND to DACVDD.
B5
VREF
2.5 V Internal Voltage Reference. Must be connected to a 0.47 F capacitor when using the
internal reference.
B6
P1.0/T1/SPM0/PLAI[0]
Serial Port Multiplexed. General-Purpose Input and Output Port 1.0/Timer1 Input/UART, I2C0/
Programmable Logic Array Input Element 0.
B7
P1.4/SPM4/PLAI[4]/IRQ2
Serial Port Multiplexed. General-Purpose Input and Output Port 1.4/UART, SPI/Programmable
Logic Array Input Element 4/External Interrupt Request 2, Active High.
B8
P1.3/SPM3/PLAI[3]
Serial Port Multiplexed. General-Purpose Input and Output Port 1.3/UART, I2C1/Programmable
Logic Array Input Element 3.
C1
ADC6
Single-Ended or Differential Analog Input 6.
C2
ADC5
Single-Ended or Differential Analog Input 5.
C3
ADC0
Single-Ended or Differential Analog Input 0.
C4
P4.5/PLAO[13]
General-Purpose Input and Output Port 4.5/Programmable Logic Array Output Element 13.
C5
P4.3/PLAO[11]
General-Purpose Input and Output Port 4.3/Programmable Logic Array Output Element 11.
C6
P4.0/PLAO[8]
General-Purpose Input and Output Port 4.0/Programmable Logic Array Output Element 8.
C7
P4.1/PLAO[9]
General-Purpose Input and Output Port 4.1/Programmable Logic Array Output Element 9.
C8
IOGND
Ground for GPIO (see Table 78). Typically connected to DGND.
D1
ADCNEG
Bias Point or Negative Analog Input of the ADC in Pseudo Differential Mode. Must be
connected to the ground of the signal to convert. This bias point must be between 0 V and 1 V.
D2
GNDREF
Ground Voltage Reference for the ADC. For optimal performance, the analog power supply
should be separated from IOGND and DGND.
D3
ADC7
Single-Ended or Differential Analog Input 7.
D4
P4.4/PLAO[12]
General-Purpose Input and Output Port 4.4/Programmable Logic Array Output Element 12.
D5
P3.6/PWMTRIP/PLAI[14]
General-Purpose Input and Output Port 3.6/PWM Safety Cutoff/Programmable Logic Array
Input Element 14.
D6
P1.7/SPM7/PLAO[0]
Serial Port Multiplexed. General-Purpose Input and Output Port 1.7/UART, SPI/Programmable
Logic Array Output Element 0.
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