ADuCM320 Hardware Reference Manual
UG-498
Rev. C | Page 95 of 196
GPIO
Configuration Modes
00
01
10
11
P2.5
2
P2.6
GPIO/IRQ7
(GP2CON[13:12] = 0x0)
PLAO[20]
(GP2CON[13:12] = 0x3)
P2.7
GPIO/IRQ8
(GP2CON[15:14] = 0x0)
PLAO[21]
(GP2CON[15:14] = 0x3)
GP3—GP3CON Controls These Bits
P3.0
GPIO
(GP3CON[1:0] = 0x0)
PRTADDR0
(GP3CON[1:0] = 0x1)
PLAI[12]
(GP3CON[1:0] = 0x3)
P3.1
GPIO
(GP3CON[3:2] = 0x0)
PRTADDR1
(GP3CON[3:2] = 0x1)
PLAI[13]
(GP3CON[3:2] = 0x3)
P3.2
GPIO
(GP3CON[5:4] = 0x0)
PRTADDR2
(GP3CON[5:4] = 0x1)
PLAI[14]
(GP3CON[5:4] = 0x3)
P3.3
GPIO
(GP3CON[7:6] = 0x0)
PRTADDR3
(GP3CON[7:6] = 0x1)
PLAI[15]
(GP3CON[7:6] = 0x3)
P3.4
GPIO
(GP3CON[9:8] = 0x0)
PRTADDR4
(GP3CON[9:8] = 0x1)
PLAO[26]
(GP3CON[9:8] = 0x3)
P3.5
GPIO
(GP3CON[11:10] = 0x0)
MCLK
(GP3CON[11:10] = 0x1)
PLAO[27]
(GP3CON[11:10] = 0x3)
P3.6
MDIO
(GP3CON[13:12] = 0x1)
P3.7
3, 4
GPIO
(GP3CON[15:14] = 0x0)
VDAC2
(GP3CON[15:14] = 0x1)
PLAO[29]
(GP3CON[15:14] = 0x3)
GP4—GP4CON Controls These Bits
P4.2
GPIO
(GP4CON[5:4] = 0x0)
AIN8
(GP4CON[5:4] = 0x1)
P4.3
GPIO
(GP4CON[7:6] = 0x0)
AIN9
(GP4CON[7:6] = 0x1)
P4.4
GPIO
(GP4CON[9:8] = 0x0)
AIN12
(GP4CON[9:8] = 0x1)
P4.5
GPIO
(GP4CON[11:10] = 0x0)
AIN13
(GP4CON[11:10] = 0x1)
P4.6
GPIO
(GP4CON[13:12] = 0x0)
AIN14
(GP4CON[13:12] = 0x1)
P4.7
GPIO
(GP4CON[15:14] = 0x0)
AIN15
(GP4CON[15:14] = 0x1)
GP5—GP5CON Controls These Bits
P5.0
3, 4
GPIO
(GP5CON[1:0] = 0x0)
VDAC3
(GP5CON[1:0] = 0x1)
P5.1
3, 4
GPIO
(GP5CON[3:2] = 0x0)
VDAC6
(GP5CON[3:2] = 0x1)
P5.2
3, 4
GPIO
(GP5CON[5:4] = 0x0)
VDAC7
(GP5CON[5:4] = 0x1)
P5.3
3, 4
GPIO
(GP5CON[7:6] = 0x0)
VDAC0
(GP5CON[7:6] = 0x1)
1
During the power-on reset, the
dives the pin low for up to 200 µs.
2
Not available as an external pin. Internal PLA elements connected to these pins can be used.
3
Never configure this pin as an output if associated VDAC output is enabled.
4
During the power-on reset, the
can enable a pull-down current of 160 µA on this pin.