AudioCodes Ltd.
AC4830xC-C VoPP
26
Catalog Number: LTRT-00060
Table
2-3: AC4830xC-C Signals and Pin-out TQFP Package (continues on 6 pages)
VoPNP
Name
TQFP Pin #
I/O
Description
HD5
124
I/O/Z Host data bit 5
HD6
135
I/O/Z Host data bit 6
HD7
6
I/O/Z Host data bit 7
HINT-
51
O
Host interrupt
HRDY
55
O
Host ready
HR/W-
18
I
Host read/write.
Hosts must drive HR/W- high to read from the Host
port interface.
Hosts must drive HR/W- low to write to the Host port
interface.
Hosts without an R/W- strobe must use an address
line.
HRD-
127
I
Host
Read
•
The active low internal signal is the
XNOR of HRD- and HWR-.
•
Hosts with active low read and write
strobes must connect HRD- to the read
strobe and HWR- to the write strobe.
HWR-
129
I
Host
Write
•
Hosts with active low data strobe must
connect it to HRD- and tie HWR- to +3.3V.
•
Hosts with active high data strobe must
connect it to HRD- and tie HWR- to GNDI.
HCS-
17
I
Host chip select
HI/LO-
62
I
High/low byte select
Содержание AC4830 C-C Series
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Страница 58: ...AudioCodes Ltd AC4830xC C VoPP 56 Catalog Number LTRT 00060 Figure 4 2 Interface Application Driving a Codec...
Страница 60: ...AudioCodes Ltd AC4830xC C VoPP 58 Catalog Number LTRT 00060 Reader s Notes...