ADuCM320i Data Sheet
Pin No. Mnemonic Type
1
Description
C3 P2.3/BM I/O Digital I/O Port 2.3 (P2.3).
Boot Mode (BM). This pin determines the start-up sequence after every reset.
Pull-up is enabled at power-up.
D9 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]).
F1 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]).
G1 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]).
G3 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]).
G2 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
Input to PLA Element 13 (PLAI[13]).
D3 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]).
B3 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.
Input 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]).
H1 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]).
H3 MDIO I/O MDIO Data.
E9 SWCLK I Serial Wire Debug Clock.
E10 SWDIO I/O Serial Wire Bidirectional Data.
F11 VREF_1V2 S 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 AI IDAC Reference Current. This pin generates the reference current for the IDACs
and is set by an external resistor, R
EXT
. Connect R
EXT
from IREF to AGND4.
J6 AIN0 AI Analog Input 0.
J7 AIN1 AI Analog Input 1.
J8 AIN2 AI Analog Input 2.
K8 AIN3 AI Analog Input 3.
L8 AIN4 AI Analog Input 4.
Analog Input 5. AIN5 can be the negative input for the comparator.
K9 AIN6 AI Analog Input 6. AIN6 is also the positive input for the comparator.
J9 AIN7 AI Analog Input 7.
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