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PDF UPD78P4038 Data sheet ( Hoja de datos )

Número de pieza UPD78P4038
Descripción 16/8-BIT SINGLE-CHIP MICROCONTROLLER
Fabricantes NEC 
Logotipo NEC Logotipo



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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD78P4038
16/8-BIT SINGLE-CHIP MICROCONTROLLER
The µPD78P4038, 78K/IV Series' product, is a one-time PROM or EPROM version of the µPD784035, µPD784036,
µPD784037, and µPD784038 with internal masked ROM.
Since user programs can be written to PROM, this microcontroller is best suited for evaluation in system
development, manufacture of small quantities of multiple products, and fast start-up of applications.
For specific functions and other detailed information, consult the following user's manual.
This manual is required reading for design work.
µPD784038, 784038Y Subseries User's Manual, Hardware : U11316E
78K/IV Series User's Manual, Instruction
: U10905E
FEATURES
Compatible with the µPD78P238, µPD78P4026, and µPD78P4038Y
Internal PROM: 128 Kbytes
µPD78P4038KK-T : EPROM (best suited for system evaluation)
µPD78P4038GC-3B9 : One-time PROM (best suited for manufacture of small quantities)
µPD78P4038GC-8BT : One-time PROM (best suited for manufacture of small quantities)
µPD78P4038GK-BE9 : One-time PROM (best suited for manufacture of small quantities)
Internal RAM
: 4,352 bytes
Power supply voltage : VDD = 2.7 to 5.5 V
QTOPTM microcomputer (In the planning phase)
Remark The QTOP microcomputer is a microcomputer with a built-in one-time PROM that is totally supported
by NEC. The support includes writing application programs, marking, screening, and verification.
ORDERING INFORMATION
Part number
Package
Internal ROM
µPD78P4038GC-3B9
µPD78P4038GC-×××-3B9
µPD78P4038GC-8BT
µPD78P4038GK-BE9
µPD78P4038GK-×××-BE9
µPD78P4038KK-T
80-pin plastic QFP (14 × 14 × 2.7 mm)
80-pin plastic QFP (14 × 14 × 2.7 mm)
80-pin plastic QFP (14 × 14 × 1.4 mm)
80-pin plastic TQFP (fine pitch) (12 × 12 mm)
80-pin plastic TQFP (fine pitch) (12 × 12 mm)
80-pin ceramic WQFN (14 × 14 mm)
One-time PROM
One-time PROM (QTOP microcomputer)
One-time PROM
One-time PROM
One-time PROM (QTOP microcomputer)
EPROM
In this reference, all ROM components that are common to one-time PROM and EPROM are referred to as
PROM.
The information in this document is subject to change without notice.
Document No. U10848EJ2V0DS00 (2nd edition)
Date Published July 1998 J CP(K)
Printed in Japan
The mark shows major revised points.
©
1995

1 page




UPD78P4038 pdf
µPD78P4038
(2/2)
Item
Functions
Clock output
Selected from fCLK, fCLK/2, fCLK/4, fCLK/8, or fCLK/16 (can be used as a 1-bit output port)
Watchdog timer
1 channel
Standby
HALT/STOP/IDLE mode
Interrupt Hardware source 23 (16 internal, 7 external (sampling clock variable input: 1))
Software source BRK instruction, BRKCS instruction, operand error
Nonmaskable
1 internal, 1 external
Maskable
15 internal, 6 external
4-level programmable priority
3 operation statuses: vectored interrupt, macro service, context switching
Supply voltage
VDD = 2.7 to 5.5 V
Package
80-pin plastic QFP (14 × 14 × 2.7 mm)
80-pin plastic QFP (14 × 14 × 1.4 mm)
80-pin plastic TQFP (fine pitch) (12 × 12 mm)
80-pin ceramic WQFN (14 × 14 mm)
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UPD78P4038 arduino
3. BLOCK DIAGRAM
NMI
INTP0-INTP5
INTP3
TO0
TO1
Programmable
interrupt
controller
Timer/counter 0
(16 bits)
INTP0
Timer/counter 1
(16 bits)
INTP1
INTP2/CI
TO2
TO3
Timer/counter 2
(16 bits)
Timer 3
(16 bits)
78 K/IV
CPU core
(RAM 512 bytes)
PROM
(128 Kbytes)
P00-P03
P04-P07
PWM0
PWM1
ANO0
ANO1
AVREF2
AVREF3
Real-time
output port
PWM
D/A
converter
RAM
(3,840 bytes)
ANI0-ANI7
AVDD
AVREF1
AVSS
INTP5
A/D
converter
Watchdog
timer
Note In the PROM programming mode.
µPD78P4038
UART/IOE2
Baud-rate
generator
UART/IOE1
Baud-rate
generator
Clocked
serial
interface
Clock output
Bus
interface
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
System
control
RXD/SI1
TXD/SO1
ASCK/SCK1
RXD2/SI2
TXD2/SO2
ASCK2/SCK2
SCK0/SCL
SO0/SDA
SI0
ASTB/CLKOUT
AD0-AD7
A8-A15
A16-A19
RD
WR
WAIT/HLDRQ
REFRQ/HLDAK
D0-D7Note
A0-A16Note
CENote
OENote
PGMNote
P00-P07
P10-P17
P20-P27
P30-P37
P40-P47
P50-P57
P60-P67
P70-P77
RESET
TEST
X1
X2
V Note
PP
VDD0, VDD1
VSS0, VSS1
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