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UPD780958GCA-XXX-8EU Datasheet

  • UPD780958GCA-XXX-8EU

  • 8-Bit Microcontroller

  • 60頁

  • ETC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD780957(A), 780958(A)
8-BIT SINGLE-CHIP MICROCONTROLLERS
DESCRIPTION
The
碌
PD780957(A) and 780958(A) are
碌
PD780958 Subseries products of the 78K/0 Series.
microcontrollers support ultra-low power consumption and are especially suitable for meter control.
Detailed function descriptions are provided in the following user鈥檚 manuals. Be sure to read them before
designing.
U13655E
碌
PD780958 Subseries User鈥檚 Manual:
78K/0 Series User鈥檚 Manual Instructions: U12326E
These
FEATURES
鈥?/div>
Ultra-low power consumption supported.
鈥?/div>
On-chip ROM and RAM
Item
Part Number
Internal ROM
Internal High-Speed RAM
Internal Expansion RAM
LCD Display RAM
碌
PD780957(A)
碌
PD780958(A)
48 KB
60 KB
1024 bytes
1024 bytes
30 bytes
鈥?/div>
Three channels of clock generators: Main system clock (1 MHz (RC oscillation))
: Subsystem clock 1 (32.768 kHz)
: Subsystem clock 2 (4.91 MHz)
鈥?/div>
I/O ports (including segment signal output alternate function pins): 69
鈥?/div>
LCD controller/driver
鈥?/div>
Serial interface: 2 channels
鈥?/div>
UART mode (with pin switching function): 1 channel (communication is enabled with subsystem clocks 1 and 2)
鈥?/div>
3-wire serial I/O mode:
鈥?/div>
MR sampling function: 1 channel
鈥?/div>
Sampling output timer/detector: 1 channel
鈥?/div>
Timer: 7 channels
鈥?/div>
16-bit timer/event counter: 2 channels
鈥?/div>
8-bit timer:
鈥?/div>
Watchdog timer:
鈥?/div>
Standby function: HALT mode
鈥?/div>
Supply voltage:
V
DD
= 2.2 to 3.5 V
4 channels
1 channel
1 channel
鈥?/div>
Real-time output function: 4-bit resolution
脳
4 channels
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. U13739EJ1V0DS00 (1st edition)
Date Published February 2001 N CP(K)
Printed in Japan
The mark
shows major revised points.
漏
1999

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