參數(shù)資料
型號(hào)： EM78P267A
廠商： ELAN Microelctronics Corp .
英文描述： 8-Bit Micro-Controller for Consumer Product(帶2K × 13片上ROM，工作電壓2.5V-5.5V的8位微控制器)
中文描述： 8位微控制器的消費(fèi)產(chǎn)品（帶2K × 13片上ROM的，工作電壓為2.5V至5.5V的8位微控制器）
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 144K
代理商： EM78P267A
1
* This specification are subject to be changed without notice.
EM78P267/467A/B/C
8-BIT MICRO-CONTROLLER FOR CONSUMER PRODUCT
Preliminary
9.5.1997
DESCRIPTION
The EM78P267/467A/B/C is an 8-bit microprocessor with low-power, high speed CMOS technology. There
are 4Kx13 bits Electical One Time Programmable Read Only Memory (OTP-ROM) within it. It provides 1
Protect bit and 6 One-time Programmable Option bits to protect the OTP memory code from any external access
as well as the user's options.
The OTP ROM will be incorporated into EM78P267/467A/B/C 8-bit microcontroller instead of it's original
memory. The user's development program can be easily programmed into or verify from this OTP memory by
using EMC OTP PROGRAMMER.
FEATURES
Operating voltage range: 2.5V~5.5V
Available in temperature range: 0
°
C~70
°
C
Operating frequency range:
Crystal Type:
DC~20MHz at 5V
RC Type:
DC~4MHz at 5V
2Kx13 on chip ROM (EM78267A/B/C)
4Kx13 on chip ROM (EM78467A/B/C)
9 special function registers
148x8 general purpose registers (SRAM)
3 bi-directional tri-state I/O ports (20 I/O pins for EM78P267/467A) (24 I/O pins for EM78P267/467B)
(22 I/O pins for EM78P267/467C)
5 level stack for subroutine nesting
8-bit real time clock/counter (TCC) with selective signal sources and trigger edges, and with overflow interrupt
Selectable oscillator options:
XTAL1 type (High frequency)
XTAL2 type (32.768KHz)
RC type
External clock input
Two oscillator periods per instruction cycle
Power down mode
Programmable wake up from sleep circuit on I/O ports
Programmable free running on-chip watchdog timer
Ten pull-up and wake-up pins
Two open-drain pins
Two R-option pins
Interrupt function available
28 pin DIP, SOIC, SSOP
(EM78P267/467A)
28 pin SOIC
(EM78P267/467C)
DC~8MHz at 3V
DC~4MHz at 3V
相關(guān)PDF資料
PDF描述
EM78P468N 8-BIT MICROCONTROLLER
EM78P468NAQ 8-BIT MICROCONTROLLER
EM78P468NBQ 8-BIT MICROCONTROLLER
EM78P468NCQ 8-BIT MICROCONTROLLER
EM78P468NH 8-BIT MICROCONTROLLER
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