ESS Technology, Inc.

SAM0529-091305

7

ES6425 PRODUCT BRIEF

ES6425 PIN DESCRIPTION

HRRQ#

143

O

Host read request (active-low).

AUX4[0]

I/O

Aux4 data I/O 0; (5V tolerant input).

CAMIN2

I

Camera and YUV input 2.

HIRQ

144

O

Host interrupt.

AUX4[7]

I/O

Aux4 data I/O 7; (5V tolerant input).

HRST#

145

O

Host reset (active-low).

AUX3[5]

I/O

Aux3 data I/O 5; (5V tolerant input).

HIORDY

146

I

Host I/O ready.

AUX3[3]

I/O

Aux3 data I/O 3; (5V tolerant input).

HWR#

149

O

Host write (active-low).

AUX4[5]

I/O

Aux4 data I/O 5; (5V tolerant input).

HRD#

150

O

Host read (active-low).

AUX4[6]

I/O

Aux4 data I/O 6; (5V tolerant input).

HIOCS16#

151

I

Device 16 bit data transfer (active-low).

AUX3[4]

I/O

Aux3 data I/O 4; (5V tolerant input).

CAMCLK

I

Camera and YUV port pixel clock.

HCS1FX#

152

O

Host select 1 (active-low).

AUX3[7]

I/O

Aux3 data I/O 7; (5V tolerant input).

HCS3FX#

153

O

Host select 3 (active-low).

AUX3[6]

I/O

Aux3 data I/O 6; (5V tolerant input).

HA[2:0]

154, 155, 158

I/O

Host address bus.

AUX4[4:2]

I/O

Aux4 data I/Os 2, 3, and 4; (5V tolerant input).

AUX0

160

I/O

Auxiliary port 0 (open collector); (5V tolerant input).

I2CDATA

I/O

AUX1

161

I/O

Auxiliary port 1 (open collector); (5V tolerant input).

I2C_CLK

I/O

IOW#

162

O

I/O write strobe (LCS1) (active-low).

AUX2

I/O

Auxiliary port 2; (5V tolerant input).

IOR#

165

O

I/O read strobe (LCS1) (active-low).

AUX3

I/O

Auxiliary port 3; (5V tolerant input).

AUX4-7

166-169

I/O

Auxiliary ports 4-7; (5V tolerant input).

LOE#

170

O

RISC port output enable (active-low).

LCS0#

173

O

RISC port chip select 0 (active-low).

PIXOUT_CLK

O

CCIR656 output pixel clock.

LCS[3:1]#

174-176

O

RISC port chip select [3:1] (active-low).

LD[15:0]

178-182, 185-191,

194-197

I/O

RISC port data bus; (5V tolerant input).

LWRLL#

198

O

RISC port low-byte write enable (active-low).

LWRHL#

199

O

RISC port high-byte write enable (active-low).

CAMIN0

202

I

Camera and YUV input 0.

CAMIN1

203

I

Camera and YUV input 1.

Table 1

ES6425 Pin Description (Continued)

Name

Pin Numbers

I/O

Definition