UPD75518 NEC, UPD75518 Datasheet - Page 5

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

1.
2.
3.
4.
PIN FUNCTIONS ........................................................................................................................
1.1
1.2
1.3
1.4
1.5
ARCHITECTURE AND MEMORY MAP OF THE PD75518(A) ..............................................
2.1
2.2
2.3
INTERNAL CPU FUNCTIONS ....................................................................................................
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
PERIPHERAL HARDWARE FUNCTIONS ..................................................................................
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
PORT PINS ......................................................................................................................................
NON-PORT PINS ............................................................................................................................
PIN INPUT/OUTPUT CIRCUITS ....................................................................................................
CONNECTION OF UNUSED PINS ................................................................................................
SELECTION OF A MASK OPTION ................................................................................................
DATA MEMORY BANK CONFIGURATION AND ADDRESSING MODES ................................
GENERAL REGISTER BANK CONFIGURATION ..........................................................................
MEMORY-MAPPED I/O .................................................................................................................
PROGRAM COUNTER (PC) ...........................................................................................................
PROGRAM MEMORY (ROM) ........................................................................................................
DATA MEMORY (RAM) .................................................................................................................
GENERAL REGISTERS ...................................................................................................................
ACCUMULATORS ..........................................................................................................................
STACK POINTER (SP) AND STACK BANK SELECT REGISTER (SBS) .....................................
PROGRAM STATUS WORD (PSW) ..............................................................................................
BANK SELECT REGISTER (BS) .....................................................................................................
DIGITAL I/O PORTS .......................................................................................................................
CLOCK GENERATOR ......................................................................................................................
CLOCK OUTPUT CIRCUIT .............................................................................................................
BASIC INTERVAL TIMER ...............................................................................................................
CLOCK TIMER .................................................................................................................................
TIMER/EVENT COUNTER .............................................................................................................
TIMER/PULSE GENERATOR .........................................................................................................
SERIAL INTERFACE (CHANNEL 0) ...............................................................................................
4.8.1
4.8.2
4.8.3
4.8.4
4.8.5
4.8.6
4.8.7
Serial Interface (Channel 0) Functions ........................................................................
Configuration of Serial Interface (Channel 0) ............................................................
Register Functions .........................................................................................................
Signals .............................................................................................................................
Serial Interface (Channel 0) Operation ....................................................................... 100
Transfer Start in Each Mode ........................................................................................ 110
Manipulation of SCK0 Pin Output ............................................................................... 111
CONTENTS
PD75518(A)
15
27
39
10
13
14
15
19
22
27
27
29
31
32
32
35
38
39
51
60
63
67
69
75
83
84
84
86
94
7
7
9
5