ADUC702X Analog Devices, ADUC702X Datasheet - Page 11

• Manufacturer Part Number: ADUC702X
• Description: Precision Analog Microcontroller 12-bit Analog I/O/ ARM7TDMI MCU
• Manufacturer: Analog Devices

Preliminary Technical Data
*
- No pin assigned.
I = Input, O = Output, S = Supply.
7020
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Pin# ADuC702X
7021
24
25
26
27
28
29
30
31
32
33
34
35
36
-
7022
23
24
25
26
27
28
29
30
31
32
33
34
35
-
Mnemonic
XCLKO
XCLKI
P1.7/SPM7/PLAO[
0]
P1.6/SPM6/PLAI[6]
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/PLA
I[0]
P4.2/PLAO[10]
V
AGND
AV
REF
DD
Type*
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
S
S
I
Rev. PrB | Page 11 of 80
Function
internal clock generator circuits
Output from the crystal oscillator inverter
Input to the crystal oscillator inverter and input to the internal clock
generator circuits
Serial Port Multiplexed:
General Purpose Input-Output Port 1.7 / UART / SPI / Programmable
Logic Array Output Element 0
Serial Port Multiplexed:
General Purpose Input-Output Port 1.6 / UART / SPI / Programmable
Logic Array Input Element 6
Serial Port Multiplexed:
General Purpose Input-Output Port 1.5 / UART / SPI / Programmable
Logic Array Input Element 5/ External Interrupt Request 3, active high
Serial Port Multiplexed:
General Purpose Input-Output Port 1.4 / UART / SPI / Programmable
Logic Array Input Element 4/ External Interrupt Request 2, active high
Serial Port Multiplexed:
General Purpose Input-Output Port 1.3/ UART / I
Logic Array Input Element 3
Serial Port Multiplexed:
General Purpose Input-Output Port 1.2 / UART / I
Logic Array Input Element 2
Serial Port Multiplexed:
General Purpose Input-Output Port 1.1 / UART / I
Logic Array Input Element 1
Serial Port Multiplexed:
General Purpose Input-Output Port 1.0/ Timer 1 Input / UART / I
Programmable Logic Array Input Element 0
General Purpose Input-Output Port 4.2 / Programmable Logic Array
Output Element 10
2.5V internal Voltage Reference. Must be connected to a 0.47uF capacitor
when using the internal reference.
Analog Ground. Ground reference point for the analog circuitry
3.3V Analog Power
ADuC702x Series
2
2
2
C1 /Programmable
C1 /Programmable
C0 / Programmable
2
C0 /