ADUC702X_1 AD [Analog Devices], ADUC702X_1 Datasheet - Page 11

• Manufacturer Part Number: ADUC702X_1
• Description: Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
• Manufacturer: AD [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
24
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]
P1.4/SPM4/PLAI[4]
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. PrA | Page 11 of 78
Function
Output to 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
Serial Port Multiplexed:
General Purpose Input-Output Port 1.4 / UART / SPI / Programmable
Logic Array Input Element 4
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 /