TC1796
System Units (Vol. 1 of 2)
General Purpose I/O Ports and Peripheral I/O Lines
User’s Manual 10-51 V2.0, 2007-07
Ports, V2.0
10.7.3 Port 4 Registers
The following registers are available on Port 4:
P4.12 I General-purpose input P4_IN.P12 P4_IOCR12.
PC12
0XXX
B
GPTA0/GPTA1/LTCA2
input
IN36
O General-purpose output P4_OUT.P12 1X00
B
GPTA1 output OUT36 1X10
B
GPTA0 output OUT36 1X01
B
LTCA2 output OUT36 1X11
B
P4.13 I General-purpose input P4_IN.P13 P4_IOCR12.
PC13
0XXX
B
GPTA0/GPTA1/LTCA2
input
IN37
O General-purpose output P4_OUT.P13 1X00
B
GPTA0 output OUT37 1X01
B
GPTA1 output OUT37 1X10
B
LTCA2 output OUT37 1X11
B
P4.14 I General-purpose input P4_IN.P14 P4_IOCR12.
PC14
0XXX
B
GPTA0/GPTA1/LTCA2
input
IN38
O General-purpose output P4_OUT.P14 1X00
B
GPTA0 output OUT38 1X01
B
GPTA1 output OUT38 1X10
B
LTCA2 output OUT38 1X11
B
P4.15 I General-purpose input P4_IN.P15 P4_IOCR12.
PC15
0XXX
B
GPTA0/GPTA1/LTCA2
input
IN39
O General-purpose output P4_OUT.P15 1X00
B
GPTA0 output OUT39 1X01
B
GPTA1 output OUT39 1X10
B
LTCA2 output OUT39 1X11
B
Table 10-15 Port 4 Functions (cont’d)
Port
Pin
I/O Pin Functionality Associated Reg./
I/O Line
Port I/O Control Select.
Reg./Bit Field Value