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參數資料
| 型號： | μPD784218Y |
| 廠商： | NEC Corp. |
| 英文描述： | 8 /16 Bit Single Chip Microcontrollers(8/16位單片微控制器) |
| 中文描述： | 8 / 16位單片機微控制器（8 / 16位單片微控制器） |
| 文件頁數： | 1/50頁 |
| 文件大小： | 207K |
| 代理商： | ΜPD784218Y |
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1997
PRELIMINARY PRODUCT INFORMATION
MOS INTEGRATED CIRCUIT
μ
PD784217Y,784218Y
16/8-BIT SINGLE-CHIP MICROCONTROLLERS
The
μ
PD784218Y is based on the
μ
PD784218 with an I
2
C bus control function appended, and is ideal for
applications in audio-visual.
A flash memory version, the
μ
PD78F4218Y, which can operate in the same supply voltage range as the mask
ROM version, and various development tools are under development.
The functions are explained in detail in the following user’s manuals. Be sure to read these manuals when
designing your system.
μ
PD784218, 784218Y Subseries User’s Manual Hardware : Planned
78K/IV Series User’s Manual Instructions
: U10905E
FEATURES
On-chip I
2
C bus
ROM correction function
Inherits peripheral functions of
μ
PD78078Y Subseries
Pin-compatible with
μ
PD784218 Subseries
Minimum instruction execution time
160 ns (main system clock f
XX
= 12.5 MHz)
61
μ
s (subsystem clock f
XT
= 32.768 kHz)
High-capacity memory
ROM: 192 Kbytes (
μ
PD784217Y)
256 Kbytes (
μ
PD784218Y)
RAM: 12 800 bytes (
μ
PD784217Y, 784218Y)
I/O port: 86 pins
Timer/counter: 16-bit timer/counter
×
1 unit
8-bit timer/counter
×
6 units
Serial interface: 3 channels
UART/IOE (3-wire serial I/O): 2 channels
CSI (3-wire serial I/O, multi-master supporting I
2
C bus): 1 channel
Standby function
HALT/STOP/IDLE mode
In power-saving mode: HALT/IDLE mode (with
subsystem clock)
Clock division function
Watch timer: 1 channel
Watchdog timer: 1 channel
Clock output function
f
XX
, f
XX
/2, f
XX
/2
2
, f
XX
/2
3
, f
XX
/2
4
, f
XX
/2
5
, f
XX
/2
6
, f
XX
/2
7
, f
XT
selectable
Buzzer output function
f
XX
/2
10
, f
XX
/2
11
, f
XX
/2
12
, f
XX
/2
13
selectable
A/D converter: 8-bit resolution
×
8 channels
D/A converter: 8-bit resolution
×
2 channels
Supply voltage: V
DD
= 1.8 to 5.5 V
Document No. U12304EJ1V0PM00 (1st edition)
Date Published July 1997 N
Printed in Japan
The information contained in this document is being issued in advance of the production cycle for the
device. The parameters for the device may change before final production or NEC Corporation, at its
own discretion, may withdraw the device prior to its production.
APPLICATION FIELDS
Cellular telephones, PHS, cordless telephones, CD-ROM, AV systems, etc.
Unless mentioned otherwise, references in this document to the
μ
PD784218Y refer to the
μ
PD784217Y
and
μ
PD784218Y.
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