9
图示 5. 串行 端口 - hfa3824a/hfa3860b
图示 6. PC CARD IO 读 16
波形
(持续)
SYNTHCLK (pk1)
SPCSX
SPAS
展开
(读)
SYNTHDATA (pk2)
(读)
展开
(写)
SYNTHDATA (pk2)
(写)
T
H1
T
L1
t
CYC
t
CD
t
CD
t
CD
t
CD
t
CD
t
DRS
t
DRH
t
CD
t
DWH
t
CD
A[7] A[6] A[0]
A[7] A[6] A[0] D[7]
D[1]
D[1] D[0]
D[0]
ha[15:0]
hreg-
hce(1, 2)-
hiordn-
hinpack-
hwait-
hd[15:0]
t
SUREG
I
SUCE
t
HREG
t
HCE
t
WIORD
t
DIORD
t
DFINPACK
t
SUA
t
DFWT
t
DRWT
t
HIORD
t
DRINPACK
t
HA
t
WWT
HFA3842