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Maxim Integrated Products
21
MAX9264 Evaluation Kit
Evaluates: MAX9263/MAX9264
Table 2. Diagnostic Error Codes from UC_B Bulkhead Firmware
Table 3. Diagnostic Error Codes from UC_R Repeater Firmware
MAX9263/MAX9264 Repeater
Demo (LED Error Codes)
The bulkhead firmware (UC_B) and repeater firmware
(UC_R) both perform a self-test at power-up and after
reset. The firmware first verifies that the required devices
are attached, and that required input signals are pres-
ent. If any of these required resources are not found, the
firmware turns on LED127 (red, error/unauthenticated)
and blinks an error code on LED120 (red, diagnostic
code). If all required resources are found, and the links
are successfully authenticated, then the firmware turns
on LED126 (green, authenticated) steady on and blinks
LED120 three times.
The repeater demo firmware only supports the minimal
repeater configuration (DEPTH = 1, DEVICE_COUNT = 1).
This is a limitation of the firmware and not a limitation of the
MAX9263/MAX9264. DEPTH and DEVICE_COUNT values
can be different for different repeater configurations.
The RX_R1 LED2 led appears very dim, because the
MAX9264 EV kit is designed to operate at IOVDD =
3.3V. However, in the repeater demo configuration, the
MAX9264 IOVDD is powered from the MAX9263 EV
kit board IOVDD, which is only 1.8V. Due to the lower
interface supply voltage, green LED2 is very dim.
LED120 FLASHES AFTER SELF-TEST
MEANING
3 green flashes LED120, while steady on
LED126 (green)
Success: Authenticated bulkhead link TX_B1 to RX_R1; authenticated display link
TX_R1 to RX_D1; enabled encryption; exchanged Binfo and KSVlist.
4 red flashes on LED120
No PCLK IN signal received at TX_B1, or no RX_R1.
5 red flashes on LED120
No UC_R TXD0/RXD0 connection to TX_R1. Check the JU143, JU144 wires from the
RX_R1 board to the TX_R1 board.
6 red flashes on LED120
No UC_B TXD1/RXD1 connection to TX_B1.
7 red flashes on LED120
No PCLK IN signal received at TX_B1, or no RX_D1 attached to TX_R1.
8 red flashes on LED120
No VSYNC IN to TX_B1.
9 red flashes on LED120
No UC_R connection to RX_R1.
10 red flashes on LED120
Bulkhead authentication failure between TX_B1 and RX_R1.
11 red flashes on LED120
Display authentication failure between TX_R1 and RX_D1.
12 red flashes on LED120
Encryption-enable failure.
13 red flashes on LED120
Error building KSV list.
LED120 FLASHES AFTER SELF-TEST
MEANING
3 green flashes LED120, while steady on
LED126 (green)
Success.
4 red flashes on LED120
No UC_R TXD1/RXD1 connection to RX_R1 (check if the RX_R1 board JU1 CDS
shunt is in the 1-2 position).
5 red flashes on LED120
No UC_R TXD0/RXD0 connection to TX_R1. Check the JU143, JU144 wires from the
RX_R1 board to the TX_R1 board.
6 red flashes on LED120
No PCLK IN signal received at TX_B1, or no TX_B1 attached to RX_R1.
7 red flashes on LED120
No PCLK IN signal received at TX_B1, or no RX_D1 attached to TX_R1.
8 red flashes on LED120
No VSYNC IN signal received at TX_B1.
11 red flashes on LED120
Display authentication failure between TX_R1 and RX_D1.
12 red flashes on LED120
Encryption-enable failure.
13 red flashes on LED120
Error building KSV list.
