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UPD780034AYCW Datasheet

  • UPD780034AYCW

  • 8-BIT SINGLE-CHIP MICROCONTROLLERS

  • 70頁

  • NEC   NEC

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DATA SHEET
碌
PD780031AY, 780032AY, 780033AY, 780034AY
8-BIT SINGLE-CHIP MICROCONTROLLERS
MOS INTEGRATED CIRCUIT
DESCRIPTION
The
碌
PD780031AY, 780032AY, 780033AY, and 780034AY are members of the
碌
PD780034AY Subseries of the
78K/0 Series. This is a
碌
PD780034A Subseries product with an added multimaster-supporting I
2
C bus interface, and
is suitable for AV equipment applications.
A flash memory version, the
碌
PD78F0034AY, that can operate in the same power supply voltage range as the mask
ROM version, and various development tools, are available.
Detailed function descriptions are provided in the following user鈥檚 manuals. Be sure to read them before
designing.
碌
PD780024A, 780034A, 780024AY, 780034AY
Subseries User's Manual:
78K/0 Series User鈥檚 Manual Instructions:
U14046E
U12326E
FEATURES
鈥?Internal ROM and RAM
Item
Part Number
Program Memory
(Internal ROM)
8 Kbytes
16 Kbytes
24 Kbytes
32 Kbytes
1024 bytes
Data Memory
(Internal High-Speed RAM)
512 bytes
Package
碌
PD780031AY
碌
PD780032AY
碌
PD780033AY
碌
PD780034AY
鈥?64-pin plastic shrink DIP (750 mils)
鈥?64-pin plastic QFP (14
脳
14 mm)
鈥?64-pin plastic LQFP (12
脳
12 mm)
鈥?External memory expansion space: 64 Kbytes
鈥?Minimum instruction execution time: 0.24
碌
s (@ f
X
= 8.38-MHz operation)
鈥?I/O ports: 51 (5-V-tolerant N-ch open-drain: 4)
鈥?10-bit resolution A/D converter: 8 channels (AV
DD
= 1.8 to 5.5 V)
鈥?Serial interface: 3 channels (multimaster-supporting I
2
C bus mode, UART mode, 3-wire serial I/O mode)
鈥?Timer: 5 channels
鈥?Power supply voltage: V
DD
= 1.8 to 5.5 V
APPLICATIONS
Telephones, home electric appliances, pagers, AV equipment, car audios, office automation equipment, etc.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. U14045EJ1V0DS00 (1st edition)
Date Published August 1999 N CP(K)
Printed in Japan
漏
1999

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