Datasheet

Data Sheet ADuC7019/20/21/22/24/25/26/27/28/29
Rev. F | Page 33 of 104
ADUC7029
BOTTOM VIEW
(Not to Scale)
7 45
6 3
2
1
A
B
C
D
E
F
G
04955-088
Figure 27. 49-Ball CSP_BGA Pin Configuration (ADuC7029)
Table 15. Pin Function Descriptions (ADuC7029)
Ball No. Mnemonic Description
A1 ADC3/CMP1 Single-Ended or Differential Analog Input 3/Comparator Negative Input.
A2 ADC1 Single-Ended or Differential Analog Input 1.
A3 ADC0 Single-Ended or Differential Analog Input 0.
A4 AV
DD
3.3 V Analog Power.
A5 V
REF
2.5 V Internal Voltage Reference. Must be connected to a 0.47 µF capacitor when using the
internal reference.
A6 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.
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.
B1 ADC6 Single-Ended or Differential Analog Input 6.
B2 ADC5 Single-Ended or Differential Analog Input 5.
B3 ADC4 Single-Ended or Differential Analog Input 4.
B4 AGND Analog Ground. Ground reference point for the analog circuitry.
B5 DAC
REF
External Voltage Reference for the DACs. Range: DACGND to DACV
DD
.
B6 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
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 GND
REF
Ground Voltage Reference for the ADC. For optimal performance, the analog power supply
should be separated from IOGND and DGND.
C2 AGND Analog Ground. Ground reference point for the analog circuitry.
C3 ADC2/CMP0 Single-Ended or Differential Analog Input 2/Comparator Positive Input.
C4 IOGND Ground for GPIO (see Table 78). Typically connected to DGND.
C5 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 P1.6/SPM6/PLAI[6] Serial Port Multiplexed. General-Purpose Input and Output Port 1.6/UART, SPI/Programmable
Logic Array Input Element 6.
C7 P1.5/SPM5/PLAI[5]/IRQ3 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.
D1
DAC0/ADC12
DAC0 Voltage Output/ADC Input 12.
D2 DAC3/ADC15 DAC3 Voltage Output/ADC Input 15.
D3 DAC1/ADC13 DAC1 Voltage Output/ADC Input 13.
D4 P3.3/PWM1
L
/PLAI[11] General-Purpose Input and Output Port 3.3/PWM Phase 1 Low-Side Output/Programmable
Logic Array Input Element 11.
D5 P3.4/PWM2
H
/PLAI[12] General-Purpose Input and Output Port 3.4/PWM Phase 2 High-Side Output/Programmable
Logic Array Input 12.
D6 P3.6/PWM
TRIP
/PLAI[14] General-Purpose Input and Output Port 3.6/PWM Safety Cutoff/Programmable Logic Array
Input Element 14.
D7 P1.7/SPM7/PLAO[0] Serial Port Multiplexed. General-Purpose Input and Output Port 1.7/UART, SPI/Programmable
Logic Array Output Element 0.