EPC635 datasheet(12/97 Pages) EPC

12 / 97 page

'Pin type' in Table 8 defines the following:

■ DI: Digital Input

■ DO: Digital Output

■ DIO: Digital Input/Output (bidirectional)

■ DIOD: Digital Input/Output (bidirectional), open-Drain

■ AI: Analog Input

■ AO: Analog Output

■ AOD: Analog Output, open-Drain

■ PWR: Supply

■ GND: Ground

'Rst. Func.' in Table 8 defines the function of IO pins during reset:

■ I: Input

■ PU: internal Pull-Up

■ PD: internal Pull-Down

■ IPD: Input with internal Pull-Down

'Rst. Level' in Table 8 defines the level of the IO pins during/after

reset (chapter 5.3.)

2.3. Power domain separation and ESD protection

The epc635 chip has internally 7 different power domains and 5 ground references which are interconnected with ESD protection diodes.

All pins are also equipped with ESD protection diodes. The diodes have a breakthrough voltage of 0.3V. The designer has to take care that

none of these diodes become conductive either at power-up, power-down or normal operation.

LED

epc635

XTALIN_CLKIN

XTALOUT

VSS

VSSA

VSSPLL

LEDFB

VSSLED

VSSIO

XSYNC_SAT_CFG

LED2

DATA[7:0]

TDO

TDI

TCK

TMS

SCL

SDA

RESET

SHUTTER

VSYNC_A0

HSYNC_A1

DCLK

MODCLK

PIN44

PIN43

PIN20

PIN21

Figure 7: I/O pins and ESD protection diagram

Characteristics subject to change without notice

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Datasheet_epc635-V1.02

EPC635 データシート(PDF) 12 Page - Espros Photonics corp

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