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參數(shù)資料
| 型號： | UPD784927GF |
| 廠商： | NEC Corp. |
| 英文描述： | 16-BIT SINGLE-CHIP MICROCONTROLLER |
| 中文描述： | 16位單片機 |
| 文件頁數(shù)： | 1/96頁 |
| 文件大?。?/td> | 513K |
| 代理商： | UPD784927GF |
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1997,1999
DATA SHEET
μ
PD784927, 784928, 784927Y, 784928Y
DESCRIPTION
The
μ
PD784927 and 784928 are members of the NEC 78K/IV Series of microcontrollers equipped with a high-
speed, high-performance 16-bit CPU for VCR software servo control.
The
μ
PD784927Y and 784928Y are based on the
μ
PD784928 with the addition of an I
2
C bus interface compatible
with multi-master.
They contain many peripheral hardware units ideal for VCR control, such as a multi-function timer unit (super timer
unit) for software servo control and VCR analog circuits.
Flash memory models, the
μ
PD78F4928 and
μ
PD78F4928Y, are under development.
The functions of the
μ
PD784927 is described in detail in the following User’s Manual. Be sure to read this
manual before designing your system.
μ
PD784928, 784928Y Subseries User’s Manual - Hardware
78K/IV Series User’s Manual - Instruction
: U12648E
: 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
Item Part Number
μ
PD784927, 784927Y
μ
PD784928, 784928Y
Internal ROM capacity
96K bytes
128K bytes
Internal RAM capacity
VCR analog circuits conforming to VHS Standard
CTL amplifier
RECCTL driver (rewritable)
CFG amplifier
Timer unit (super timer unit) for servo control
Serial interface : 3 channels
3-wire serial I/O : 2 channels
I
2
C bus interface: 1 channel
A/D converter: 12 channels (conversion time: 10
μ
s)
Low-frequency oscillation mode: main system clock frequency = internal clock frequency
Low-power consumption 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 consumption
2048 bytes
3584 bytes
DFG amplifier
DPG amplifier
DPFG separation circuit (ternary separation circuit)
Reel FG comparator (2 channels)
CSYNC comparator
Unless otherwise specified, the
μ
PD784927 is treated as the representative model throughout this document.
16-BIT SINGLE-CHIP MICROCONTROLLER
MOS INTEGRATED CIRCUIT
The mark shows major revised points.
Document No. U12255EJ2V0DS00 (2nd edition)
Date Published December 1999 N CP(K)
Printed in Japan
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.
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PDF描述 |
|---|---|
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| UPD784928Y | 16-BIT SINGLE-CHIP MICROCONTROLLER |
| UPD784928GF | 16-BIT SINGLE-CHIP MICROCONTROLLER |
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