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UPD784915A Datasheet

  • UPD784915A

  • 16-BIT SINGLE-CHIP MICROCONTROLLERS

  • 86頁

  • NEC   NEC

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DATA SHEET
碌
PD784915A, 784916A
16-BIT SINGLE-CHIP MICROCONTROLLERS
MOS INTEGRATED CIRCUIT
DESCRIPTION
The
碌
PD784915A, 784916A are members of the NEC 78K/IV Series of microcontrollers equipped with a high-
speed 16-bit CPU and are the successors of the 78K/I Series 8-bit single-chip microcontrollers for VCR software
servo control.
This series contains many peripheral hardware units ideal for VCR control, such as a multi-function timer unit
(super timer unit) suitable for software servo control and VCR analog circuits.
A one-time PROM version of the
碌
PD784916A, the
碌
PD78P4916, is also available.
The functions of the
碌
PD784916A are described in detail in the following user鈥檚 manuals. Be sure to read
them before designing.
碌
PD784915 Subseries User鈥檚 Manual - Hardware: U10444E
78K/IV Series User鈥檚 Manual - Instruction: U10905E
FEATURES
鈥?High instruction execution speed realized by 16-bit CPU core
鈥?Minimum instruction execution time: 250 ns (with 8-MHz internal clock)
鈥?High internal memory capacity
Part Number
ROM
48 Kbytes
62 Kbytes
RAM
1280 bytes
碌
PD784915A
碌
PD784916A
鈥?VCR analog circuits conforming to VHS Standard
鈥?CTL amplifier
鈥?RECCTL driver (rewritable)
鈥?CFG amplifier
鈥?DFG amplifier
鈥?DPG comparator
鈥?DPFG separation circuit (ternary separation circuit)
鈥?Reel FG comparator (2 channels)
鈥?CSYNC comparator
鈥?Timer unit (super timer unit) for servo control
鈥?Serial interface: 2 channels (3-wire serial I/O)
鈥?A/D converter: 12 channels (conversion time: 10
碌
s)
鈥?Low-frequency oscillation mode: main system clock frequency = internal clock frequency
鈥?Low-power dissipation mode: CPU can operate with a subsystem clock.
鈥?Supply voltage range: V
DD
= 2.7 to 5.5 V
鈥?Hardware watch function: watch operation at low voltage (V
DD
= 2.7 V (MIN.)) and low current
APPLICATIONS
Control system/servo/timer of VCR
Unless mentioned otherwise, the
碌
PD784916A is described as the representative product.
The information in this document is subject to change without notice
Document No. U11022EJ1V0DS00 (1st edition)
Date Published July 1997 N
Printed in Japan
The mark
shows major revised points.
漏
1996

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