參數(shù)資料
型號(hào)： μPD784218
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(jī)微控制器（8 / 16位單片微控制器）
文件頁(yè)數(shù)： 5/70頁(yè)
文件大小： 271K
代理商： ΜPD784218
μ
PD784217,784218
5
CONTENTS
1.
DIFFERENCES AMONG MODELS IN
μ
PD784218 SUBSERIES ...............................................
7
2.
DIFFERENCES BETWEEN
μ
PD784218 AND
μ
PD784216 .........................................................
8
3.
MAIN DIFFERENCES FROM
μ
PD78078 SUBSERIES................................................................
9
4.
PIN CONFIGURATION (Top View)............................................................................................... 10
5.
BLOCK DIAGRAM ......................................................................................................................... 13
6.
PIN FUNCTION............................................................................................................................... 14
6.1
Port Pins................................................................................................................................................ 14
6.2
Non-port Pins........................................................................................................................................ 16
6.3
Pin I/O Circuits and Recommended Connections of Unused Pins .............................................. 18
7.
CPU ARCHITECTURE ................................................................................................................... 21
7.1
Memory Space ...................................................................................................................................... 21
7.2
CPU Registers ...................................................................................................................................... 24
7.2.1
General-purpose registers .......................................................................................................... 24
7.2.2
Control registers.......................................................................................................................... 25
7.2.3
Special function registers (SFRs) ............................................................................................... 26
8.
PERIPHERAL HARDWARE FUNCTIONS.................................................................................... 31
8.1
Ports....................................................................................................................................................... 31
8.2
Clock Generation Circuit..................................................................................................................... 32
8.3
Real-Time Output Port......................................................................................................................... 34
8.4
Timer/Counter ....................................................................................................................................... 35
8.5
A/D Converter ....................................................................................................................................... 38
8.6
D/A Converter ....................................................................................................................................... 39
8.7
Serial Interface ..................................................................................................................................... 40
8.7.1
Asynchronous serial interface/3-wire serial I/O (UART/IOE) ...................................................... 41
8.7.2
Clocked serial interface (CSI) ..................................................................................................... 43
8.8
Clock Output Function ........................................................................................................................ 43
8.9
Buzzer Output Function ...................................................................................................................... 44
8.10 Edge Detection Function .................................................................................................................... 44
8.11 Watch Timer .......................................................................................................................................... 44
8.12 Watchdog Timer ................................................................................................................................... 45
9.
INTERRUPT FUNCTION................................................................................................................ 46
9.1
Interrupt Sources ................................................................................................................................. 46
9.2
Vectored Interrupt ................................................................................................................................ 48
9.3
Context Switching................................................................................................................................ 49
9.4
Macro Service ....................................................................................................................................... 49
9.5
Application Example of Macro Service............................................................................................. 50
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