參數(shù)資料
型號： UPD784020
廠商： NEC Corp.
英文描述： 16/8-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 16/8-BIT單片機(jī)
文件頁數(shù)： 4/90頁
文件大?。?/td> 614K
代理商： UPD784020
4
m
PD784020, 784021
CONTENTS
1.
DIFFERENCES BETWEEN
m
PD784026 SUB-SERIES ...........................................................
6
2.
MAIN DIFFERENCES BETWEEN
m
PD784026 AND
m
PD78234 SUB-SERIES.....................
7
3.
PIN CONFIGURATION (TOP VIEW) ........................................................................................
8
4.
SYSTEM CONFIGURATION EXAMPLE (PPC) .......................................................................
10
5.
BLOCK DIAGRAM.....................................................................................................................
11
6.
LIST OF PIN FUNCTIONS ........................................................................................................
6.1
PORT PINS ......................................................................................................................................
6.2
NON-PORT PINS ............................................................................................................................
6.3
I/O CIRCUITS FOR PINS AND HANDLING OF UNUSED PINS .................................................
12
12
13
15
7.
CPU ARCHITECTURE ..............................................................................................................
7.1
MEMORY SPACE ...........................................................................................................................
7.2
CPU REGISTERS............................................................................................................................
7.2.1
General-Purpose Registers ..........................................................................................
7.2.2
Control Registers...........................................................................................................
7.2.3
Special Function Registers (SFRs) .............................................................................
18
18
21
21
22
23
8.
PERIPHERAL HARDWARE FUNCTIONS ...............................................................................
8.1
PORTS .............................................................................................................................................
8.2
CLOCK GENERATOR ....................................................................................................................
8.3
REAL-TIME OUTPUT PORT ..........................................................................................................
8.4
TIMERS/COUNTERS ......................................................................................................................
8.5
PWM OUTPUT (PWM0, PWM1).....................................................................................................
8.6
A/D CONVERTER ...........................................................................................................................
8.7
D/A CONVERTER ...........................................................................................................................
8.8
SERIAL INTERFACE ......................................................................................................................
8.8.1
Asynchronous Serial Interface/Three-Wire Serial I/O (UART/IOE) .........................
8.8.2
Synchronous Serial Interface (CSI).............................................................................
8.9
EDGE DETECTION FUNCTION.....................................................................................................
8.10
WATCHDOG TIMER .......................................................................................................................
28
28
29
31
32
34
35
36
37
38
40
41
42
9.
INTERRUPT FUNCTION ...........................................................................................................
9.1
INTERRUPT SOURCE ....................................................................................................................
9.2
VECTORED INTERRUPT ...............................................................................................................
9.3
CONTEXT SWITCHING ..................................................................................................................
9.4
MACRO SERVICE...........................................................................................................................
9.5
EXAMPLES OF MACRO SERVICE APPLICATIONS ..................................................................
43
43
45
46
46
47
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UPD784031YGC-8BT 制造商:Renesas Electronics Corporation 功能描述:
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