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參數資料
| 型號： | UPD784916A |
| 廠商： | NEC Corp. |
| 英文描述： | 16-BIT SINGLE-CHIP MICROCONTROLLERS |
| 中文描述： | 16位單晶片微控制器 |
| 文件頁數： | 1/86頁 |
| 文件大小： | 446K |
| 代理商： | UPD784916A |
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1996
DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD784915A, 784916A
DESCRIPTION
The
μ
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
μ
PD784916A, the
μ
PD78P4916, is also available.
The functions of the
μ
PD784916A are described in detail in the following user’s manuals. Be sure to read
them before designing.
μ
PD784915 Subseries User’s Manual - Hardware: U10444E
78K/IV Series User’s Manual - Instruction: U10905E
FEATURES
High instruction execution speed realized by 16-bit CPU core
Minimum instruction execution time: 250 ns (with 8-MHz internal clock)
High internal memory capacity
Part Number
ROM
RAM
μ
PD784915A
μ
PD784916A
48 Kbytes
1280 bytes
62 Kbytes
VCR analog circuits conforming to VHS Standard
CTL amplifier
RECCTL driver (rewritable)
CFG amplifier
DFG amplifier
DPG comparator
DPFG separation circuit (ternary separation circuit)
Reel FG comparator (2 channels)
CSYNC comparator
Timer unit (super timer unit) for servo control
Serial interface: 2 channels (3-wire serial I/O)
A/D converter: 12 channels (conversion time: 10
μ
s)
Low-frequency oscillation mode: main system clock frequency = internal clock frequency
Low-power dissipation mode: CPU can operate with a subsystem clock.
Supply voltage range: V
DD
= 2.7 to 5.5 V
Hardware watch function: watch operation at low voltage (V
DD
= 2.7 V (MIN.)) and low current
APPLICATIONS
Control system/servo/timer of VCR
16-BIT SINGLE-CHIP MICROCONTROLLERS
Document No. U11022EJ1V0DS00 (1st edition)
Date Published July 1997 N
Printed in Japan
The information in this document is subject to change without notice
Unless mentioned otherwise, the
μ
PD784916A is described as the representative product.
The mark shows major revised points.
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