參數(shù)資料
型號(hào)： MR80C88-2/B
廠商： INTERSIL CORP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, 8 MHz, MICROPROCESSOR, CQCC44
封裝： LCC-44
文件頁(yè)數(shù)： 6/32頁(yè)
文件大?。?/td> 633K
代理商： MR80C88-2/B
14
The 80C88 and 80C86 are completely software compatible
by virtue of their identical execution units. Software that is
system dependent may not be completely transferable, but
software that is not system dependent will operate equally
as well on an 80C88 or an 80C86.
The hardware interface of the 80C88 contains the major
differences between the two CPUs. The pin assignments are
nearly identical, however, with the following functional
changes:
A8-A15: These pins are only address outputs on the
80C88. These address lines are latched internally and
remain valid throughout a bus cycle in a manner similar to
the 8085 upper address lines.
BHE has no meaning on the 80C88 and has been elimi-
nated.
SS0 provides the S0 status information in the minimum
mode. This output occurs on pin 34 in minimum mode
only. DT/R, IO/M and SS0 provide the complete bus sta-
tus in minimum mode.
IO/M has been inverted to be compatible with the 8085
bus structure.
ALE is delayed by one clock cycle in the minimum mode
when entering HALT, to allow the status to be latched with
T1
T2
T3
T4
A7-A0
DATA IN
CLK
QS1, QS0
S2, S1, S0
A19/S6 - A16/S3
ALE
80C88
AD7 - AD0
DEN
S6 - S3
DT/R
MRDC
82C84
RDY
READY
80C88
A19 - A16
A15 - A8
FIGURE 21. MEDIUM COMPLEXITY SYSTEM TIMING
RD
A15 - A8
80C88
DATA OUT
80C88
相關(guān)PDF資料
PDF描述
MR80C88/B 16-BIT, 5 MHz, MICROPROCESSOR, CQCC44
MR82C37A-12/B 4 CHANNEL(S), 12.5 MHz, DMA CONTROLLER, CQCC44
MR82C37A-5/B 4 CHANNEL(S), 5 MHz, DMA CONTROLLER, CQCC44
MD82C37A-5/B 4 CHANNEL(S), 5 MHz, DMA CONTROLLER, CDIP40
MR82C37A/B 4 CHANNEL(S), 8 MHz, DMA CONTROLLER, CQCC44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MR80C88B 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 8/16-Bit Microprocessor
MR811 制造商:Motorola Inc 功能描述:
MR814 制造商:Motorola Inc 功能描述:
MR820 制造商:DIOTEC 制造商全稱:Diotec Semiconductor 功能描述:Fast Silicon Rectifiers
MR820_07 制造商:SEMIKRON 制造商全稱:Semikron International 功能描述:Fast silicon rectifier diodes
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