UPD784907GF Datasheet PDF - NEC
Part Number | UPD784907GF | |
Description | 16-BIT SINGLE-CHIP MICROCONTROLLER | |
Manufacturers | NEC | |
Logo | ||
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MOS INTEGRATED CIRCUIT
µPD784907, 784908
16-BIT SINGLE-CHIP MICROCONTROLLER
The µPD784907 and µPD784908 are products of the µPD784908 Subseries in the 78K/IV Series. These products
contain various peripheral hardware such as IEBusTM controller, ROM, RAM, I/O ports, 8-bit resolution A/D, timers,
serial interface, and interrupt functions, as well as a high-speed, high-performance CPU.
In addition, the µPD78P4908 (one-time PROM product), which is used to evaluate the functions of mask ROM
versions, and development tools are also available.
Detailed function descriptions are provided in the following user's manuals. Be sure to read them before
designing.
µPD784908 Subseries User's Manual Hardware : U11787E
78K/IV Series User's Manual Instruction
: U10905E
FEATURES
• 78K/IV Series
• Minimum instruction execution time: 320 ns (at 6.29 MHz)
160 ns (at 12.58 MHz)
• Number of I/O ports: 80
• Timer/counters: 16-bit timer/counter × 3 units
16-bit timer × 1 unit
• Serial interface: 4 channels
UART/IOE (3-wire serial I/O): 2 channels
CSI (3-wire serial I/O):
2 channels
• PWM outputs: 2
• Standby function
HALT/STOP/IDLE mode
• Clock frequency division function
• Watchdog timer: 1 channel
• Clock output function
Selectable from fCLK, fCLK/2, fCLK/4, fCLK/8, or fCLK/16
• A/D converter: 8-bit resolution × 8 channels
• On-chip IEBus controller
• Watch timer
• Low-power consumption
• Supply voltage: VDD = 4.0 to 5.5 V
(Main clock: fXX = 12.58 MHz,
internal system clock = fXX,
fCYK = 79 ns)
VDD = 3.5 to 5.5 V
(Other than above, fCYK = 159 ns)
APPLICATIONS
Car audios, etc.
This document describes the µPD784908 unless otherwise specified.
The information in this document is subject to change without notice.
Document No. U11680EJ2V0DS00 (2nd edition)
Date Published February 1999 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1996
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µPD784907, 784908
Item
Part Number
µPD784907
µPD784908
Watchdog timer
1 channel
Standby
HALT/STOP/IDLE modes
Interrupt
Hardware source 27 (20 internal, 7 external (sampling clock variable input: 1))
Software source BRK or BRKCS instruction, operand error
Non-maskable 1 internal, 1 external
Maskable
19 internal, 6 external
4-level programmable priority
3 operation statuses: vectored interrupt, macro service, context switching
Power supply voltage
VDD = 4.0 to 5.5 V (Main clock: fXX = 12.58 MHz, internal system clock = fXX, fCYK = 79 ns)
VDD = 3.5 to 5.5 V (other than above, fCYK = 159 ns)
Package
100-pin plastic QFP (14 × 20 mm)
Data Sheet U11680EJ2V0DS00
5
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