HD6417729 HITACHI [Hitachi Semiconductor], HD6417729 Datasheet - Page 217

• Manufacturer Part Number: HD6417729
• Description: Hitachi Microcomputer Development Environment System
• Manufacturer: HITACHI [Hitachi Semiconductor]

AUD logic circuit (EPF6024AQC208-2)
AUDATA_O[3:0]
AUDATA_I[3:0]
Figure 6.9 User System Interface Circuit of the AUD Pin (HS7729KCI02H)
AUDCK
AUDO
AUDI
74LVT125
74LVT244
74LVT125
74LVT244
74LVT125
(Model Name: HS0005KCI04H)
A
Y
A
Y
A
Y
A
Y
A
Y
Filter
a
a
a
Filter
Filter
c
c
c
b
b
b
Rev. 2.0, 01/01, page 193 of 216
3Vcc
3Vcc
3Vcc
4.7k
4.7k
4.7k
AUDCK
AUDATA[3:0]
To user system