1993
DATA SHEET
Item
Program memory
Data memory
Part number
(ROM)
Internal High-Speed RAM
Internal Buffer RAM
Internal Expanded RAM
μ
PD78052Y
16 Kbytes
512 bytes
32 bytes
No
μ
PD78053Y
24 Kbytes
1024 bytes
μ
PD78054Y
32 Kbytes
μ
PD78055Y
40 Kbytes
μ
PD78056Y
48 Kbytes
μ
PD78058Y
60 Kbytes
1024 bytes
DESCRIPTION
The
μ
PD78052Y, 78053Y, 78054Y, 78055Y, 78056Y, and 78058Y versions add the I
2
C bus control function to
the
μ
PD78052, 78053, 78054, 78055, 78056, and 78058, and are suitable for application in AV products.
Various peripheral hardware such as 8-bit resolution D/A converter, timer, serial interface, real-time output port
and interrupt functions are incorporated.
The 78P058Y, a one-time PROM or EPROM version which can be operated in the same supply voltage as for
the mask ROM version, and various development tools are also available.
Detailed function descriptions, etc., are provided in the following User's Manual. Be sure to read it when
designing.
μ
PD78054, 78054Y Subseries User’s Manual : U11747E
78K/0 Series User’s Manual Instructions
: U12326E
FEATURES
Internal high-capacity ROM and RAM
External memory expansion space : 64 Kbytes
8-BIT SINGLE-CHIP MICROCONTROLLER
MOS INTEGRATED CIRCUIT
μ
PD78052Y, 78053Y, 78054Y, 78055Y, 78056Y, 78058Y
Minimum instruction execution time can be varied from high-speed (0.4
μ
s) to ultra-low-speed (122
μ
s)
I/O ports : 69 (N-ch open-drain : 4)
8-bit resolution A/D converter: 8 channels
8-bit resolution D/A converter: 2 channels
Serial interface : 3 channels (I
2
C bus mode : 1 channel)
Timer : 5 channels
Supply voltage : V
DD
= 2.0 to 6.0 V
APPLICATIONS
Cellular phones, pagers, printers, AV equipment, airconditioners, cameras, PPC, fuzzy home applicances,
vending machines, etc.
The mark shows major revised points.
Document No. U10906EJ2V0DS00 (2nd edition)
Date Published September 1997 N
Printed in Japan
The information in this document is subject to change without notice.