Cypress CYD01S36V Computer Hardware User Manual


 
CYD01S36V
CYD02S36V/36VA/CYD04S36V
CYD09S36V/CYD18S36V
Document Number: 38-06076 Rev. *G Page 23 of 28
Figure 17. Counter Interrupt and Retransmit
[17, 45, 53, 54, 55, 56]
Notes
53.CE
0
= OE = BE0 – BE3 = LOW; CE
1
= R/W = CNTRST = MRST = HIGH.
54.CNTINT
is always driven.
55.CNTINT
goes LOW when the unmasked portion of the address counter is incremented to the maximum value.
56.The mask register assumed to have the value of 3FFFFh.
Switching Waveforms (continued)
t
CH2
t
CL2
t
CYC2
CLK
3FFFD 3FFFF
INTERNAL
ADDRESS
Last_Loaded
Last_Loaded +1
t
HCM
COUNTER
3FFFE
CNTINT
t
SCINT
t
RCINT
3FFFC
CNTEN
ADS
CNT/MSK
t
SCM
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