1996
1995
DATA SHEET
The mark
shows major revised points.
8-BIT SINGLE-CHIP MICROCONTROLLER
MOS INTEGRATED CIRCUIT
μ
PD78070AY
Document No.
Date Published July 1997 N
Printed in Japan
U10542EJ2V0DS00 (2nd edition)
DESCRIPTION
The
μ
PD78070AY is a limited-function product from which the on-chip ROM of the
μ
PD78078Y Subseries has been
removed. Through interchangeable external ROM, program maintenance can be performed easily. Besides a high-
speed, high-performance CPU, this microcontroller has on-chip RAM, I/O ports, 8-bit resolution A/D converter,
8-bit resolution D/A converter, timer, serial interface, real-time output port, interrupt control, and various other
peripheral hardware.
Detailed information about product features and specifications can be found in the following documents.
Be sure to read the following documents before starting design.
μ
PD78070A, 78070AY User’s Manual
78K/0 Series User’s Manual – Instructions : U12326E
: U10200E
FEATURES
Internal large-capacity RAM
Internal high-speed RAM : 1024 bytes
Internal buffer RAM: 32 bytes
External memory expansion space : 64 Kbytes
Minimum instruction execution time can be
varied from high-speed (0.4
μ
s)
to ultra-low-speed (122
μ
s)
I/O ports: 61 (N-ch open-drain : 8)
8-bit resolution A/D converter : 8 channels
8-bit resolution D/A converter : 2 channels
Serial interface : 3 channels
3-wire serial I/O/2-wire serial I/O
/
I
2
C bus mode :
1 channel
3-wire serial I/O
mode : 1 channel
3-wire serial I/O/UART
mode : 1 channel
Timer : 7 channels
Power supply voltage : V
DD
= 2.7 to 5.5 V
APPLICATIONS
Audio visual equipment (VCRs, audio equipment, etc.)
ORDERING INFORMATION
Part Number
Package
μ
PD78070AYGC-7EA
μ
PD78070AYGC-8EU
Note
μ
PD78070AYGF-3BA
100-pin plastic QFP (Fine pitch) (14
×
14 mm, Resin thickness 1.45 mm)
100-pin plastic LQFP (Fine pitch) (14
×
14 mm, Resin thickness 1.40 mm)
100-pin plastic QFP (14
×
20 mm, Resin thickness 2.7 mm)
Note
Under planning
Caution
Two types of packages are provided for the
μ
PD78070AYGC (Refer to 12. PACKAGE DRAWINGS).
Contact an NEC sales representative for available packages.
The information in this document is subject to change without notice.