ADUC7020 Analog Devices, ADUC7020 Datasheet - Page 26

• Manufacturer Part Number: ADUC7020
• Manufacturer: Analog Devices

Specifications of ADUC7020

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 14
• Adc # Channels: 5

ADuC7019/20/21/22/24/25/26/27/28/29
Pin No.
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71, 72
73, 74
75
76
77
78
79
80
Mnemonic
P3.6/AD6/PWM
P3.7/AD7/PWM
P2.7/PWM1
P2.1/WS/PWM0
P2.2/RS/PWM0
P1.7/SPM7/PLAO[0]
P1.6/SPM6/PLAI[6]
IOGND
IOV
P4.0/AD8/PLAO[8]
P4.1/AD9/PLAO[9]
P1.5/SPM5/PLAI[5]/IRQ3
P1.4/SPM4/PLAI[4]/IRQ2
P1.3/SPM3/PLAI[3]
P1.2/SPM2/PLAI[2]
P1.1/SPM1/PLAI[1]
P1.0/T1/SPM0/PLAI[0]
P4.2/AD10/PLAO[10]
P4.3/AD11/PLAO[11]
P4.4/AD12/PLAO[12]
P4.5/AD13/PLAO[13]
REFGND
V
DAC
DACGND
AGND
AV
DACV
ADC11
ADC0
ADC1
ADC2/CMP0
ADC3/CMP1
REF
DD
DD
REF
DD
L
/MS3
L
TRIP
SYNC
H
/PLAO[7]
/PLAO[6]
/PLAI[14]
/PLAI[15]
Description
General-Purpose Input and Output Port 3.6/External Memory Interface/PWM Safety Cutoff/
Programmable Logic Array Input Element 14.
General-Purpose Input and Output Port 3.7/External Memory Interface/PWM Synchronization/
Programmable Logic Array Input Element 15.
General-Purpose Input and Output Port 2.7/PWM Phase 1 Low-Side Output/External Memory
Select 3.
General-Purpose Input and Output Port 2.1/External Memory Write Strobe/PWM Phase 0 High-
Side Output/Programmable Logic Array Output Element 6.
General-Purpose Input and Output Port 2.2/External Memory Read Strobe/PWM Phase 0 Low-
Side Output/Programmable Logic Array Output Element 7.
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/External Memory Interface/Programmable Logic
Array Output Element 8.
General-Purpose Input and Output Port 4.1/External Memory Interface/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/External Memory Interface/Programmable Logic
Array Output Element 10.
General-Purpose Input and Output Port 4.3/External Memory Interface/Programmable Logic
Array Output Element 11.
General-Purpose Input and Output Port 4.4/External Memory Interface/Programmable Logic
Array Output Element 12.
General-Purpose Input and Output Port 4.5/External Memory Interface/Programmable Logic
Array Output Element 13.
Ground for the Reference. Typically connected to AGND.
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 DACV
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 AV
Single-Ended or Differential Analog Input 11.
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.
Rev. D | Page 26 of 96
DD
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DD
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