AC4830xC-C Data Book
Chapter 2. Functional Description
Revision 1.0
27
March 2000
Table
2-3: AC4830xC-C Signals and Pin-out TQFP Package (continues on 6 pages)
VoPNP
Name
TQFP Pin #
I/O
Description
HAS-
13
I
Host address strobe.
•
Hosts with multiplexed address and data must
connect HAS- to their ALE pin. HI/LO-, HRS0,
HRS1 and HR/W- are latched on the HAS- falling
edge.
•
Hosts with separate address and data must
connect HAS- to +3.3 V. HI/LO-, HRS0, HRS1 and
HR/W- are latched on the HRD- or HWR- falling
edge when HAS- stays high.
HRS0
39
I
Host register select 0
HRS1
46
I
Host register select 1
HPISEL-
31
I
Host Port Interface select. Must be connected to
GNDI. (For future use
only
)
RESET-
98
I
Master reset
SIGEN-
27
O
Signaling enable
MS-
24
O
Memory strobe
R/W-
23
O
Memory read/write
IOS-
25
O
I/O strobe
CLKOUT
94
O
Clock out
XIN
97
I
Crystal input
XOUT
96
O
Crystal out
CLKMD2
78
I
Must be connected to +3.3 V
TDO
85
O/Z
IEEE standard 1149.1, test data output
TDI
86
I
IEEE standard 1149.1, test data input (Internal pull-
up)
TRST-
87
I
IEEE standard 1149.1, test reset (Internal pull-down)
TCK
88
I
IEEE standard 1149.1, test clock
Содержание AC4830 C-C Series
Страница 2: ......
Страница 12: ...AudioCodes Ltd AC4830xC C VoPP 10 Catalog Number LTRT 00060 Reader s Notes...
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...