ADUCM320BBCZ datasheet(25/31 Pages) AD

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ADuCM320

Data Sheet

Rev. C | Page 24 of 30

No.

Mnemonic

Type1

Description

P2.4/IRQ5/ADCCONV/PWM6/PLAO[18]

I/O

Digital I/O Port 2.4 (P2.4).

External Interrupt 5 (IRQ5).

External Input to Start ADC Conversions (ADCCONV).

PWM Output 6 (PWM6).

Output of PLA Element 18 (PLAO[18]).

P2.6/IRQ7/PLAO[20]

I/O

Digital I/O Port 2.6 (P2.6).

External Interrupt 7 (IRQ7).

Output of PLA Element 20 (PLAO[20]).

P2.7/IRQ8/PLAO[21]

I/O

Digital I/O Port 2.7 (P2.7).

External Interrupt 8 (IRQ8).

Output of PLA Element 21 (PLAO[21]).

P3.0/PRTADDR0/PLAI[12]

I/O

Digital I/O Port 3.0 (P3.0).

MDIO Port Address Bit 0 (PRTADDR0). See the digital inputs parameter in Table 1

for details.

Input to PLA Element 12 (PLAI[12]).

P3.1/PRTADDR1/PLAI[13]

I/O

Digital I/O Port 3.1 (P3.1).

MDIO Port Address Bit 1 (PRTADDR1). See the digital inputs parameter in Table 1

for details.

Input to PLA Element 13 (PLAI[13]).

P3.2/PRTADDR2/PLAI[14]

I/O

Digital I/O Port 3.2 (P3.2).

MDIO Port Address Bit 2 (PRTADDR2). See the digital inputs parameter in Table 1

for details.

Input to PLA Element 14 (PLAI[14]).

P3.3/PRTADDR3/PLAI[15]

I/O

Digital I/O Port 3.3 (P3.3).

MDIO Port Address Bit 3 (PRTADDR3). See the digital inputs parameter in Table 1

for details.

Output of PLA Element 15 (PLAI[15]).

C11

P3.4/PRTADDR4/PLAO[26]

I/O

Digital I/O Port 3.4 (P3.4).

MDIO Port Address Bit 4 (PRTADDR4). See the digital inputs parameter in Table 1

for details.

Output of PLA Element 26 (PLAO[26]).

P3.5/MCK/PLAO[27]

I/O

Digital I/O Port 3.5 (P3.5).

MDIO Clock (MCK) See the digital inputs parameter in Table 1 for more details.

Output of PLA Element 27 (PLAO[27]).

MDIO

I/O

MDIO Data.

SWCLK

Serial Wire Debug Clock.

E10

SWDIO

I/O

Serial Wire Bidirectional Data.

F11

VREF_1V2

1.2 V Reference. This pin cannot be used to source current externally. Connect

VREF_1V2 to AGNDx via a 470 nF capacitor.

A11

IREF

IDAC Reference Current. This pin generates the reference current for the IDACs

and is set by an external resistor, REXT. Connect REXT from IREF to AGND4.

AIN0

Analog Input 0.

AIN1

Analog Input 1.

AIN2

Analog Input 2.

AIN3

Analog Input 3.

AIN4

Analog Input 4.

AIN5

Analog Input 5. AIN5 can be the −ve input for the comparator.

AIN6

Analog Input 6. AIN6 is also the +ve input for the comparator.

AIN7

Analog Input 7.

L10

AIN8/P4.2

AI/I/O

Analog Input 8 (AIN8).

Digital I/O Port 4.2 (P4.2).

K10

AIN9/P4.3

AI/I/O

Analog Input 9 (AIN9).

Digital I/O Port 4.3 (P4.3).

J10

AIN10

Analog Input 10.

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