ADUC7024_15 Datasheet, PDF (27/104 Pages) Analog Devices – Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU

Data Sheet
Pin No. Mnemonic
37
P3.6/PWMTRIP/PLAI[14]
38
P3.7/PWMSYNC/PLAI[15]
39
P1.7/SPM7/PLAO[0]
40
P1.6/SPM6/PLAI[6]
41
IOGND
42
IOVDD
43
P4.0/PLAO[8]
44
P4.1/PLAO[9]
45
P1.5/SPM5/PLAI[5]/IRQ3
46
P1.4/SPM4/PLAI[4]/IRQ2
47
P1.3/SPM3/PLAI[3]
48
P1.2/SPM2/PLAI[2]
49
P1.1/SPM1/PLAI[1]
50
P1.0/T1/SPM0/PLAI[0]
51
P4.2/PLAO[10]
52
P4.3/PLAO[11]
53
P4.4/PLAO[12]
54
P4.5/PLAO[13]
55
VREF
56
DACREF
57
DACGND
58
AGND
59
AVDD
60
DACVDD
61
ADC0
62
ADC1
63
ADC2/CMP0
64
ADC3/CMP1
0
EP
ADuC7019/20/21/22/24/25/26/27/28/29
Description
General-Purpose Input and Output Port 3.6/PWM Safety Cutoff/Programmable Logic Array Input
Element 14.
General-Purpose Input and Output Port 3.7/PWM Synchronization Input and Output/
Programmable Logic Array Input Element 15.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.7/UART, SPI/Programmable
Logic Array Output Element 0.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.6/UART, SPI/Programmable
Logic Array Input Element 6.
Ground for GPIO (see Table 78). Typically connected to DGND.
3.3 V Supply for GPIO (see Table 78) and Input of the On-Chip Voltage Regulator.
General-Purpose Input and Output Port 4.0/Programmable Logic Array Output Element 8.
General-Purpose Input and Output Port 4.1/Programmable Logic Array Output Element 9.
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.
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.
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 1.1/UART, I2C0/Programmable Logic
Array Input Element 1.
Serial Port Multiplexed. General-Purpose Input and Output Port 1.0/Timer1 Input/UART, I2C0/
Programmable Logic Array Input Element 0.
General-Purpose Input and Output Port 4.2/Programmable Logic Array Output Element 10.
General-Purpose Input and Output Port 4.3/Programmable Logic Array Output Element 11.
General-Purpose Input and Output Port 4.4/Programmable Logic Array Output Element 12.
General-Purpose Input and Output Port 4.5/Programmable Logic Array Output Element 13.
2.5 V Internal Voltage Reference. Must be connected to a 0.47 µF capacitor when using the
internal reference.
External Voltage Reference for the DACs. Range: DACGND to DACVDD.
Ground for the DAC. Typically connected to AGND.
Analog Ground. Ground reference point for the analog circuitry.
3.3 V Analog Power.
3.3 V Power Supply for the DACs. Must be connected to AVDD.
Single-Ended or Differential Analog Input 0.
Single-Ended or Differential Analog Input 1.
Single-Ended or Differential Analog Input 2/Comparator Positive Input.
Single-Ended or Differential Analog Input 3/Comparator Negative Input.
Exposed Pad. The pin configuration for the ADuC7024/ADuC7025 LFCSP_VQ has an exposed pad
that must be soldered for mechanical purposes and left unconnected.
Rev. F | Page 27 of 104