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PDF UPD75316 Data sheet ( Hoja de datos )

Número de pieza UPD75316
Descripción 4-BIT SINGLE-CHIP MICROCOMPUTER
Fabricantes NEC 
Logotipo NEC Logotipo



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No Preview Available ! UPD75316 Hoja de datos, Descripción, Manual

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75312(A), 75316(A)
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75316(A) is one of the 75X Series 4-bit single-chip microcomputer having a built-in LCD controller/
driver, and has a data processing capability comparable to that of an 8-bit microcomputer.
In addition to high-speed operation with 0.95 µs minimum instruction execution time for the CPU, the
µPD75316(A) can also process data in 1-, 4-, and 8-bit units. Therefore, as a 4-bit single-chip microcomputer
chip having a built-in LCD panel controller/driver, its data processing capability is the highest in its class in
the world.
Detailed functions are described in the following user's manual. Be sure to read it for designing.
µPD75308 User's Manual: IEM-5016
FEATURES
Higher reliability than µPD75316
Internal memory
• Program memory (ROM)
: 16256 × 8 bits (µPD75316(A))
: 12160 × 8 bits (µPD75312(A))
• Data memory
: 512 × 4 bits
Capable of high-speed operation and variable instruction execution time to power save
• 0.95 µs, 1.91 µs, 15.3 µs (operating at 4.19 MHz)
• 122 µs (operating at 32.768 kHz)
75X architecture comparable to that for an 8-bit microcomputer is employed
Built-in programmable LCD controller/driver
Clock operation at reduced power dissipation: 5 µA TYP. (operating at 3 V)
Enhanced timer function (3 channels)
Interrupt functions especially enhanced for applications, such as remote control receiver
Pull-up resistors can be provided for 31 I/O lines
Built-in NEC standard serial bus interface (SBI)
Upgraded model of µPD7514 (µPD7500 Series)
PROM version (µPD75P316, µPD75P316A) available
APPLICATIONS
Suitable for controlling automotive and transportation equipment.
The µPD75316(A) is treated as the representative model throughout this document,
unless there are differences between µPD75312(A) and µPD75316(A) functions.
The information in this document is subject to change without notice.
Document No. IC-2825A
(O. D. No. IC-8270A)
Date Published December 1993 P
Printed in Japan
The mark 5 shows major revised points.
© NEC Corporation 1991

1 page




UPD75316 pdf
µPD75312(A), 75316(A)
CONTENTS
1. PIN CONFIGURATION (Top View) ................................................................................................ 7
2. BLOCK DIAGRAM ........................................................................................................................... 8
3. PIN FUNCTIONS .............................................................................................................................. 9
3.1 PORT PINS ............................................................................................................................................. 9
3.2 NON PORT PINS ................................................................................................................................... 11
3.3 PIN INPUT/OUTPUT CIRCUITS ........................................................................................................... 13
3.4 RECOMMENDED PROCESSING OF UNUSED PINS .......................................................................... 15
3.5 NOTES ON USING THE P00/INT4, AND RESET PINS ...................................................................... 16
4. MEMORY CONFIGURATION .......................................................................................................... 16
5. PERIPHERAL HARDWARE FUNCTIONS ........................................................................................ 20
5.1 PORTS .................................................................................................................................................... 20
5.2 CLOCK GENERATOR CIRCUIT ............................................................................................................ 21
5.3 CLOCK OUTPUT CIRCUIT .................................................................................................................... 22
5.4 BASIC INTERVAL TIMER ..................................................................................................................... 23
5.5 WATCH TIMER ...................................................................................................................................... 24
5.6 TIMER/EVENT COUNTER ..................................................................................................................... 25
5.7 SERIAL INTERFACE .............................................................................................................................. 27
5.8 LCD CONTROLLER/DRIVER .................................................................................................................. 29
5.9 BIT SEQUENTIAL BUFFER ................................................................................................................... 31
6. INTERRUPT FUNCTIONS ................................................................................................................ 31
7. STANDBY FUNCTIONS .................................................................................................................. 33
8. RESET FUNCTION ........................................................................................................................... 34
9. INSTRUCTION SET ......................................................................................................................... 36
10. SELECTION OF MASK OPTION ..................................................................................................... 42
11. ELECTRICAL SPECIFICATIONS ...................................................................................................... 43
12. PACKAGE DRAWINGS ................................................................................................................... 55
5

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UPD75316 arduino
µPD75312(A), 75316(A)
3.2 NON PORT PINS
Also Served
Pin Name Input/Output As
Functon
When Reset
TI0
PTO0
PCL
BUZ
SCK
SO/SB0
SI/SB1
INT4
Input
Input/
Output
Input/
Output
Input/
Output
Input/
Output
Input/
Output
Input/
Output
Input
INT0
INT1
Input
INT2
Input
P13 Timer/event counter external event pulse Input
P20 Timer/event counter output
P22 Clock output
P23
Fixed frequency output (for buzzer or for trim-
ming the system clock)
P01 Serial clock input/output
Serial data output
P02 Serial bus input/output
Serial data input
P03 Serial bus input/output
Edge detection vector interrupt input (both
P00 rising and falling edge detection are effective)
P10 Edge detection vector
Clock synchronous
interrupt input (detection
P11 edge can be selected)
Asynchronous
P12
Edge detection testable
Asynchronous
input (rising edge detection)
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input/
Output
Circuit
TYPE*1
B -C
E-B
E-B
E-B
F -A
F -B
M -C
B
B -C
B -C
KR0-KR3
KR4-KR7
Input/
Output
Input/
Output
S0-S23 Output
P60-P63 Parallel falling edge detection testable input
P70-P73 Parallel falling edge detection testable input
— Segment signal output
Input
Input
*2
F -A
F -A
G-A
S24-S31
COM0-
COM3
VLC0-VLC2
Output
Output
BIAS
LCDCL*4
SYNC*4
Output
Input/
Output
Input/
Output
X1, X2 Input
XT1 Input
XT2
BP0-7 Segment signal output
— Common signal output
LCD drive power
Internal dividing resistor (mask option)
— Disconnect output for external expanded driver
P30 Externally expanded driver clock output
P31 Externally expanded driver sync clock output
To connect the crystal/ceramic oscillator to the
main system clock generator. When inputting the
— external clock, input the external clock to pin X1,
and the reverse phase of the external clock to pin
X2.
To connect the crystal oscillator to the subsystem
clock generator.
When the external clock is used, pin XT1 inputs the
external clock. In this case, pin XT2 must be left
open.
Pin XT1 can be used as a 1-bit input (test) pin.
*2
*2
*3
Input
Input
G-C
G-B
E-B
E-B
(to be cont'd)
11

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