ADUC702X Datasheet, PDF (17/80 Pages) Analog Devices – Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU

Preliminary Technical Data
ADuC702x Series
Pin# Mnemonic
60 P1.2/SPM2/PLAI[2]
61 P1.1/SPM1/PLAI[1]
62 P1.0/T1/SPM0/PLAI[0]
63 P4.2/AD10/PLAO[10]
64 P4.3/AD11/PLAO[11]
65 P4.4/AD12/PLAO[12]
66 P4.5/AD13/PLAO[13]
67 REFGND
68 VREF
69 DACREF
70 DACGND
71 AGND
72 AGND
73 AVDD
74 AVDD
75 DACVDD
76 ADC11
77 ADC0
78 ADC1
79 ADC2/CMP0
80 ADC3/CMP1
* _{I = Input, O = Output, S = Supply.}
Type^* Function
General Purpose Input-Output Port 1.3/ UART / I²C1 /Programmable Logic
Array Input Element 3
Serial Port Multiplexed:
I/O _{General Purpose Input-Output Port 1.2 / UART / I}²_{C1 /Programmable Logic}
Array Input Element 2
Serial Port Multiplexed:
I/O _{General Purpose Input-Output Port 1.1 / UART / I}²_{C0 / Programmable Logic}
Array Input Element 1
Serial Port Multiplexed:
I/O _{General Purpose Input-Output Port 1.0/ Timer 1 Input / UART / I}²_{C0 /}
Programmable Logic Array Input Element 0
I/O
General Purpose Input-Output Port 4.2 / External Memory Interface /
Programmable Logic Array Output Element 10
I/O
General Purpose Input-Output Port 4.3 / External Memory Interface
/Programmable Logic Array Output Element 11
I/O
General Purpose Input-Output Port 4.4 / External Memory Interface
/Programmable Logic Array Output Element 12
I/O
General Purpose Input-Output Port 4.5 / External Memory Interface
/Programmable Logic Array Output Element 13
S Ground for the reference. Typically connected to AGND
I/O
2.5V internal Voltage Reference. Must be connected to a 0.47uF capacitor
when using the internal reference.
I External Voltage Reference for the DACs. Range: DACGND to DACVDD
S Ground for the DAC. Typically connected to AGND
S Analog Ground. Ground reference point for the analog circuitry
S Analog Ground. Ground reference point for the analog circuitry
S 3.3V Analog Power
S 3.3V Analog Power
S 3.3V Power Supply for the DACs. Typically connected to AVDD
I Single-ended or differential Analog input 11
I Single-ended or differential Analog input 0
I Single-ended or differential Analog input 1
I Single-ended or differential Analog input 2/ Comparator positive input
I Single-ended or differential Analog input 3/ Comparator negative input
Rev. PrB | Page 17 of 80