ADUC7022 Analog Devices, ADUC7022 Datasheet - Page 29

• Manufacturer Part Number: ADUC7022
• Manufacturer: Analog Devices

Specifications of ADUC7022

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 13
• Adc # Channels: 10

ADUC7029
Table 15. Pin Function Descriptions (ADuC7029)
Ball No.
A1
A2
A3
A4
A5
A6
A7
B1
B2
B3
B4
B5
B6
B7
C1
C2
C3
C4
C5
C6
C7
D1
D2
D3
D4
D5
D6
D7
Mnemonic
ADC3/CMP1
ADC1
ADC0
AV
V
P1.0/T1/SPM0/PLAI[0]
P1.1/SPM1/PLAI[1]
ADC6
ADC5
ADC4
AGND
DAC
P1.4/SPM4/PLAI[4]/IRQ2
P1.3/SPM3/PLAI[3]
GND
AGND
ADC2/CMP0
IOGND
P1.2/SPM2/PLAI[2]
P1.6/SPM6/PLAI[6]
P1.5/SPM5/PLAI[5]/IRQ3
DAC0
DAC3
DAC1
P3.3/PWM1
P3.4/PWM2
P3.6/PWM
P1.7/SPM7/PLAO[0]
REF
DD
REF
REF
TRIP
L
H
/PLAI[11]
/PLAI[12]
/PLAI[14]
Figure 17. 49-Ball BGA Pin Configuration (ADuC7029)
Description
Single-Ended or Differential Analog Input 3/Comparator Negative Input.
Single-Ended or Differential Analog Input 1.
Single-Ended or Differential Analog Input 0.
3.3 V Analog Power.
2.5 V Internal Voltage Reference. Must be connected to a 0.47 μF capacitor when using the
internal reference.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.0/Timer1 Input/UART, I2C0/
Programmable Logic Array Input Element 0.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.1/UART, I2C0/Programmable
Logic Array Input Element 1.
Single-Ended or Differential Analog Input 6.
Single-Ended or Differential Analog Input 5.
Single-Ended or Differential Analog Input 4.
Analog Ground. Ground reference point for the analog circuitry.
External Voltage Reference for the DACs. Range: DACGND to DACV
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.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.3/UART, I2C1/Programmable
Logic Array Input Element 3.
Ground Voltage Reference for the ADC. For optimal performance, the analog power supply
should be separated from IOGND and DGND.
Analog Ground. Ground reference point for the analog circuitry.
Single-Ended or Differential Analog Input 2/Comparator Positive Input.
Ground for GPIO (see Table 78). Typically connected to DGND.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.2/UART, I2C1/Programmable
Logic Array Input Element 2.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.6/UART, SPI/Programmable
Logic Array Input Element 6.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.5/UART, SPI/Programmable
Logic Array Input Element 5/External Interrupt Request 3, Active High.
DAC0 Voltage Output.
DAC3 Voltage Output.
DAC1 Voltage Output.
General-Purpose Input and Output Port 3.3/PWM Phase 1 Low-Side Output/Programmable
Logic Array Input Element 11.
General-Purpose Input and Output Port 3.4/PWM Phase 2 High-Side Output/Programmable
Logic Array Input 12.
General-Purpose Input and Output Port 3.6/PWM Safety Cutoff/Programmable Logic Array
Input Element 14.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.7/UART, SPI/Programmable
Logic Array Output Element 0.
7
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BOTTOM VIEW
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