參數(shù)資料
型號: BU34440
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4.4 MHz, MICROCONTROLLER, PDSO28
封裝: SOP-28
文件頁數(shù): 7/7頁
文件大?。?/td> 148K
代理商: BU34440
External dimensions (Units: mm)
107
Optical disc ICs
BU34440
Hardware descriptions
(1)
Operates on a single power supply (V
DD
=2.3
5.5V).
(2)
Memory size
ROM: 4096
8 bits
RAM: 256
4 bits
(3)
Instruction execution time (1 cycle instruction)
1.5
μ
sec: (at 4MHz)
(4)
Subroutine nesting : 8 levels
(5)
Interrupts: 4 factors
External: 2 factors
Internal (timer / counter, serial I / O)
: 2 factors
(6)
ROM data table function (data table area : 4kB)
(7)
(8)
(9)
tached LSIs (LSB first)
(10) 14 programmable pull-up input / outputs
(11) 5 programmable pull-up inputs
Two energy-saving modes (STOP / HALT)
Internal 8-bit timer counter
Internal serial I / O, simplifying interface with at-
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