参数资料
型号: CP80C88Z
厂商: Intersil
文件页数: 16/38页
文件大小: 0K
描述: IC PWM CONTROLLER
标准包装: 99
处理器类型: 80C88 8/16-位
速度: 5MHz
电压: 4.5 ~ 5.5V
安装类型: 通孔
封装/外壳: 40-DIP(0.600",15.24mm)
供应商设备封装: 40-DIP
包装: 管件
23
FN2949.4
February 22, 2008
Waveforms
FIGURE 11. BUS TIMING - MAXIMUM MODE (USING 82C88)
NOTES:
8. RDY is sampled near the end of T2, T3, TW to determine if TW machine states are to be inserted.
9. Signals at 82C84A or 82C88 are shown for reference only.
10. Status inactive in state just prior to T4.
11. The issuance of the 82C88 command and control signals (MRDC, MWTC, AMWC, IORC, IOWC, AIOWC, INTA, and DEN) lags the active high
82C88 CEN.
T1
T2
T3
T4
TCLCL
TCH1CH2
TCL2CL1 TW
TCHCL (3)
(21) TCHSV
(SEE NOTE 20)
TCLDV
TCLAX
(23) TCLAV
TCLAV
A19-A16
TSVLH
TCLLH
TR1VCL
TCHLL
TCLR1X
TCLAV
TDVCL
TCLDX1
TCLAX
AD7-AD0
DATA IN
TRYHSH
(39) TCLRH
TRHAV
(41) TCHDTL
TCLRL
TRLRH
TCHDTH
(37) TAZRL
TCLML
TCLMH
(35) TCVNV
TCVNX
CLK
QS0, QS1
S2, S1, S0 (EXCEPT HALT)
A19/S6-A16/S3
ALE (82C88 OUTPUT)
RDY (82C84 INPUT)
NOTES 18, 19
READY 80C86 INPUT)
READ CYCLE
82C88
OUTPUTS
SEE NOTES 19, 21
MRDC OR IORC
DEN
S6-S3
AD7-AD0
RD
DT/R
TCLAV
(1)
(4)
(23)
TCLCH
(2)
TCLSH
(22)
(24)
(23)
(27)
(29)
(31)
(8)
(9)
TCHRYX
(11)
(20)
(12) TRYLCL
(24)
TRYHCH
(10)
(6)
(7)
(23)
(40)
(42)
(45)
(38)
(18)
(19)
(36)
(33)
TCLAZ
(25)
(5)
A15-A8
80C88
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