p87c770aar NXP Semiconductors, p87c770aar Datasheet - Page 7

• Manufacturer Part Number: p87c770aar
• Description: Microcontrollers Ntsc With On-screen Display Closed Caption
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Jun 11
P3.4/SCL
P3.5/SDA
P3.6
P3.7
Microcontrollers for NTSC TVs with On-Screen
Display (OSD) and Closed Caption (CC)
SYMBOL
PIN
49
50
51
52
I/O
I/O
I/O
I/O
I/O
Port 3 line P3.4 (open-drain, bidirectional); alternative function as I
line (open-drain).
Port 3 line P3.5 (open-drain, bidirectional); alternative function as I
(open-drain).
Port 3 line P3.6 (open-drain, bidirectional).
Port 3 line P3.7 (open-drain, bidirectional).
7
DESCRIPTION
P8xCx70 family
Product specification
2
2
C-bus data line
C-bus clock