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參數資料
| 型號： | UPD784908 |
| 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： | 1/98頁 |
| 文件大小： | 657K |
| 代理商： | UPD784908 |
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1996
DATA SHEET
The mark shows major revised points.
16-BIT SINGLE-CHIP MICROCONTROLLER
MOS INTEGRATED CIRCUIT
μ
PD784907, 784908
Document No. U11680EJ2V0DS00 (2nd edition)
Date Published February 1999 N CP(K)
Printed in Japan
The
μ
PD784907 and
μ
PD784908 are products of the
μ
PD784908 Subseries in the 78K/IV Series. These products
contain various peripheral hardware such as IEBus
TM
controller, ROM, RAM, I/O ports, 8-bit resolution A/D, timers,
serial interface, and interrupt functions, as well as a high-speed, high-performance CPU.
In addition, the
μ
PD78P4908 (one-time PROM product), which is used to evaluate the functions of mask ROM
versions, and development tools are also available.
Detailed function descriptions are provided in the following user's manuals. Be sure to read them before
designing.
μ
PD784908 Subseries User's Manual Hardware : U11787E
78K/IV Series User's Manual Instruction
: U10905E
FEATURES
78K/IV Series
Minimum instruction execution time: 320 ns (at 6.29 MHz)
The information in this document is subject to change without notice.
160 ns (at 12.58 MHz)
Number of I/O ports: 80
Timer/counters: 16-bit timer/counter
×
3 units
16-bit timer
×
1 unit
Serial interface: 4 channels
UART/IOE (3-wire serial I/O): 2 channels
CSI (3-wire serial I/O):
PWM outputs: 2
Standby function
HALT/STOP/IDLE mode
Clock frequency division function
2 channels
Watchdog timer: 1 channel
Clock output function
Selectable from f
CLK
, f
CLK
/2, f
CLK
/4, f
CLK
/8, or f
CLK
/16
A/D converter: 8-bit resolution
×
8 channels
On-chip IEBus controller
Watch timer
Low-power consumption
Supply voltage: V
DD
= 4.0 to 5.5 V
(Main clock: f
XX
= 12.58 MHz,
internal system clock = f
XX
,
f
CYK
= 79 ns)
V
DD
= 3.5 to 5.5 V
(Other than above, f
CYK
= 159 ns)
APPLICATIONS
Car audios, etc.
This document describes the
μ
PD784908 unless otherwise specified.
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