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參數資料
| 型號： | μPD784217 |
| 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： | 1/70頁 |
| 文件大?。?/td> | 271K |
| 代理商： | ΜPD784217 |
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1997
PRELIMINARY PRODUCT INFORMATION
MOS INTEGRATED CIRCUIT
μ
PD784217,784218
16/8-BIT SINGLE-CHIP MICROCONTROLLERS
Document No. U12303EJ1V0PM00 (1st edition)
Date Published July 1997 N
Printed in Japan
The
μ
PD784218 is a member of the
μ
PD784218 Subseries of the 78K/IV Series. Besides a high-speed and high-
performance CPU, it features various peripheral hardware such as ROM, RAM, I/O ports, 8-bit resolution A/D and
D/A converters, timer, serial interface, real-time output port, interrupts, etc.
A flash memory version, the
μ
PD78F4218, 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
ROM correction function
Inherits peripheral functions of
μ
PD78078 Subseries
Pin-compatible with
μ
PD784218Y 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
PD784217)
256 Kbytes (
μ
PD784218)
RAM:
12 800 bytes (
μ
PD784217, 784218)
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): 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
APPLICATION FIELDS
Cellular telephones, PHS, cordless telephones, CD-ROM, AV systems, etc.
Unless mentioned otherwise, references in this document to the
μ
PD784218 refer to the
μ
PD784217 and
μ
PD784218.
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.
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