PCF8820 datasheet(5/60 Pages) PHILIPS

5 / 60 page

2000 Dec 07

Philips Semiconductors

Product speciﬁcation

× 101 Grey-scale/ECB colour dot matrix

LCD driver

PCF8820

PINNING

6.1

Pad conﬁguration

The pad configuration is shown in Fig.32.

SYMBOL

PAD

DESCRIPTION

R0 to R22

3 to 25

LCD row driver outputs (block 1)

R23 to R33

232 to 222

LCD row driver outputs (block 2)

R34 to R55

148 to 127

LCD row driver outputs (block 3)

R56 to R66

151 to 161

LCD row driver outputs (block 4)

C0 to C100

26 to 126

LCD column driver outputs

VSS1

206 to 211

ground supply 1

VSS2

198 to 203

ground supply 2

VDD1

179 to 184

supply voltage 1 of logic

VDD2

188 to 194

supply voltage 2 of high voltage generator; temperature read-out

VDD3

185 to 187

supply voltage 3 of high voltage generator; temperature read-out

VLCDOUT

173 to 178

voltage multiplier output

VLCDSENSE

172

voltage multiplier regulation input

VLCDIN

166 to 171

supply voltage for LCD (bias voltage generator)

165

LCD intermediate bias voltage 2; for test purposes only

164

LCD intermediate bias voltage 3; for test purposes only

163

LCD intermediate bias voltage 4; for test purposes only

162

LCD intermediate bias voltage 5; for test purposes only

SDA_IN

195 and 196

serial data input

SDA_OUT

197

serial data output (acknowledge)

SCL

215 and 216

serial clock input

SA0

204

I2C-bus slave address input 0 (bit 0)

SA1

214

I2C-bus slave address input 1 (bit 1)

OSC

220

oscillator signal input

RES

219

external reset input (active LOW)

205

test 1 input

221

test 2 output

212

test 3 I/O

213

test 4 I/O

217

test 5 input

218

test 6 output

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