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Pinout Information
Table 2-6 Peripheral Interface Pin Descriptions (continued)
Name
Pin(s)
PORTC0
PORTC1
PORTC2
PORTC3
PORTC4
PORTC5
PORTC6
PORTC7
RXD
TXD
Table 2-7
provides detailed Miscellaneous pin descriptions.
Table 2-7 Miscellaneous Pin Descriptions
Name
Pin(s)
TESTEN
142
RESET_N
139
EXTRSTEN
XI
169
XO
170
Table 2-8
provides detailed Microprocessor Debug Port pin descriptions.
Table 2-8 Microprocessor Debug Port Pin Descriptions
Name
Pin(s)
TRST_N
147
TCK
146
TMS
145
TDI
144
TDO
143
Type
39
I/O D5
General purpose I/O port controlled by PCDAT(7:0) and PCEN(7:0).
PORTC(7:0) can also function as:
40
I/O D5
41
I/O D5
42
I/O D5
43
I/O D5
44
I/O D5
45
I/O D5
46
I/O D5
Serial Receive Data. RXD is the serial receive data for the on-chip serial
67
I/O U5
port. This pin can also function as the 2-wire master data pin when
2WMEN=16.
Serial Transmit Data. TXD is the serial transmit data for the on-chip serial
68
I/O U5
port. This pin can also function as the 2-wire master clock output pin when
2WMEN=16.
Type
ID 5
Test Mode Enable. Connect to ground for normal operation.
Bidirectional reset pin. This pin requires a pull-up resistor to V33 (VDDQ3).
The typical value is 3.3K ohm.
BOD
• When EXTRSTEN=1, RESET_N is an input.
• When EXTRSTEN=0, RESET_N is an output. In either case a low
External Reset Enable.
• When EXTRSTEN=1, the internal reset is disabled and an external reset
28
ID 5
• When EXTRSTEN=0, the internal reset is enabled and RESET_N
Crystal Input. Connect to external crystal. XI can also function as the
I
MCLK input LVTTL-level signal from an external oscillator.
O
Crystal Output. Connect to external crystal.
Type
ID 5
Debug port reset (low true). Leave floating if debug port is not being used.
Debug port serial data clock. Leave floating if debug port is not being
ID 5
used.
ID 5
Debug port mode select. Leave floating or pull to ground to disable.
ID 5
Debug port serial data in. Leave floating if debug port is not being used.
I/O D5
Debug port serial data out. Leave floating if debug port is not being used.
Function
GBO(7:0)
48-bit graphics input mode
VB(7:0)
24-bit RGB video input mode
U(7:0)
24-bit YUV video input mode
UV(7:0)
16-bit YUV video input mode
indicates reset.
must be supplied on the RESET_N pin.
becomes a bidirectional pin that can be used to either drive external logic
in the system or receive an external reset signal.
Pin Descriptions
Function
When
Function
Function
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