XC-1A Hardware Manual (1.2)
13
XC-1A Block Diagram
The diagram below shows how the XC-1A components are connected to the XS1-G4.
Processor 0
1V
SS_TDO
CLOCK
PORT_UART_TX
SS_DEBUG
3V3
5V
SS_RESET
SS_TDI
SS_TMS
SS_TCK
SS_TRST
PROTOTYPE
AREA
I/O HEADER A/B
I/O HEADER A
I/O HEADER A
PORT_CLOCKLED_0[I-III]
PORT_CLOCKLED_SELR/SELG
PORT_SPEAKER
PORT_BUTTON [A:D]
PORT_BUTTONLED [A:D]
USB
20MHz
XTO
PORT_UART_RX
RST
PSU
System Services
A
Processor 1
A
Processor 2
A
Processor 3
B
5V
PORT_SPI_MISO
PORT_SPI_SS
PORT_SPI_CLK
PORT_SPI_MOSI
SPI
Flash
Memory
XS1-G4
PORT_CLOCKLED_1[IV-VI]
PORT_CLOCKLED_2[VII-IX]
PORT_CLOCKLED_3[X-XII]
PORT_CLOCKLED_S
ELR/S
ELG
PORT_CLOCKLED_S
ELR/S
ELG
PORT_CLOCKLED_S
ELR/S
ELG
13.1
I/O Port-to-Pin Mapping
The table on the next page provides a full description of the port-to-pin mappings
described throughout this document.
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