参数资料
型号: IS80C86
厂商: INTERSIL CORP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, 5 MHz, MICROPROCESSOR, PQCC44
封装: PLASTIC, LCC-44
文件页数: 20/36页
文件大小: 693K
代理商: IS80C86
167
NOTE: The coprocessor may not drive the busses outside the region shown without risking contention.
FIGURE 9. REQUEST/GRANT SEQUENCE TIMING (MAXIMUM MODE ONLY)
FIGURE 10. HOLD/HOLD ACKNOWLEDGE TIMING (MINIMUM MODE ONLY)
NOTE: Setup requirements for asynchronous signals only to guar-
antee recognition at next CLK.
FIGURE 11. ASYNCHRONOUS SIGNAL RECOGNITION
FIGURE 12. BUS LOCK SIGNAL TIMING (MAXIMUM MODE
ONLY)
Waveforms (Continued)
CLK
TCLGH
RQ/GT
PREVIOUS GRANT
AD15-AD0
RD, LOCK
BHE/S7, A19/S0-A16/S3
S2, S1, S0
TCLCL
ANY
CLK
CYCLE
>0-CLK
CYCLES
PULSE 2
80C86
TGVCH (14)
TCHGX (15)
TCLGH (44)
PULSE 1
COPROCESSOR
RQ
TCLAZ (25)
80C86 GT
PULSE 3
COPROCESSOR
RELEASE
(SEE NOTE)
TCHSZ (26)
(1)
TCLGL
(43)
COPROCESSOR
TCHSV (21)
(44)
CLK
HOLD
HLDA
AD15-AD0
BHE/S7, A19/S6-A16/S3
RD, WR, M/IO, DT/R, DEN
80C86
THVCH (13)
TCLHAV (36)
≥ 1CLK
1 OR 2
CYCLES
TCLAZ (19)
COPROCESSOR
80C86
TCLHAV (36)
CYCLE
TCHSZ (20)
THVCH (13)
TCHSV (21)
NMI
INTR
TEST
CLK
SIGNAL
TINVCH (SEE NOTE)
(13)
ANY CLK CYCLE
CLK
LOCK
TCLAV
ANY CLK CYCLE
(23)
TCLAV
(23)
80C86
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