Features; Pinning - Toshiba 29VH27E Service Manual

14.22.2.Features

Low voltage requirement
Biphase transmission technique
Single pin oscillator
Test mode facility

14.22.3.Pinning

Pin Mnemonic
1 X7 (IPU)
2 SSM (I)
3 Z0-Z3 (IPU)
7 MDATA (OP3)
8 DATA (OP3)
9-13 DR7- DR3 (ODN)
14 VSS
15-17 DR-2- DR0 (ODN)
18 OSC (I)
19 TP2 (I)
20 TP1 (I)
21-27 X0-X6 (IPU)
28 VDD(I)
Note:
(I): Input,
(IPU): input with p-channel pull-up transistor,
(ODN): output with open drain n-channel transistor
(OD3): output 3-state
Function
sense input from key matrix
sense mode selection input
sense inputs from key matrix
generated output data modulated with 1/12 the oscillator frequency at a 25% duty factor
generated output information
Scan drivers
Ground (0V)
Scan drivers
Oscillator input
test point 2
Test point 1
Sense inputs from key matrix
Voltage supply
28