Data Sheet
ADuC7019/20/21/22/24/25/26/27/28/29
ADUC7029
7
6
5
4
3
2
1
A
B
C
D
E
F
G
BOTTOM VIEW
(Not to Scale)
Figure 27. 49-Ball CSP_BGA Pin Configuration (ADuC7029)
Table 15. Pin Function Descriptions (ADuC7029)
Ball No.
Mnemonic
ADC3/CMP1
ADC1
Description
A1
A2
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.
A3
ADC0
A4
AVDD
A5
VREF
2.5 V Internal Voltage Reference. Must be connected to a 0.47 µF capacitor when using the
internal reference.
A6
A7
P1.0/T1/SPM0/PLAI[0]
P1.1/SPM1/PLAI[1]
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.
B1
B2
B3
B4
B5
B6
ADC6
Single-Ended or Differential Analog Input 6.
ADC5
Single-Ended or Differential Analog Input 5.
ADC4
Single-Ended or Differential Analog Input 4.
AGND
Analog Ground. Ground reference point for the analog circuitry.
External Voltage Reference for the DACs. Range: DACGND to DACVDD.
DACREF
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.
B7
C1
P1.3/SPM3/PLAI[3]
GNDREF
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.
C2
C3
C4
C5
AGND
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.
ADC2/CMP0
IOGND
P1.2/SPM2/PLAI[2]
Serial Port Multiplexed. General-Purpose Input and Output Port 1.2/UART, I2C1/Programmable
Logic Array Input Element 2.
C6
C7
P1.6/SPM6/PLAI[6]
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.
P1.5/SPM5/PLAI[5]/IRQ3
D1
D2
D3
D4
DAC0/ADC12
DAC0 Voltage Output/ADC Input 12.
DAC3 Voltage Output/ADC Input 15.
DAC1 Voltage Output/ADC Input 13.
DAC3/ADC15
DAC1/ADC13
P3.3/PWM1L/PLAI[11]
General-Purpose Input and Output Port 3.3/PWM Phase 1 Low-Side Output/Programmable
Logic Array Input Element 11.
D5
D6
D7
P3.4/PWM2H/PLAI[12]
P3.6/PWMTRIP/PLAI[14]
P1.7/SPM7/PLAO[0]
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.
Rev. F | Page 33 of 104
ADI [ ADI ]
