BU94601KV_12 Datasheet, PDF (22/70 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card + iPod

BU94601KV BU94603KV BU94604BKV
L0 R0
0
0
1
0
2
0
3
0
4
0
5
0
:
:
31
0
L1 R1
0
0
0
0
0
0
:
0
Table 5. C Bit Format
L2 R2
0
1
0
10
0
0
:
0
L3 R3
0
0
0
01
0
0
:
0
L4 R4
0
0
0
0
0
0
:
0
L5 R5
0
0
0
0
0
0
:
0
Datasheet
Table 6. U Bit Format
L0 R0 L1 R1 L2 R2 L3 R3 L4 R4 L5 R5
00
0
0
0
0
0
0
0
0
0
0
0
10
0
0
0
0
0
0
0
0
0
0
0
21
0
0
0
0
0
0
0
0
0
0
0
31
0
0
0
0
0
0
0
0
0
0
0
::
:
:
:
:
:
:
:
:
:
:
:
97 1
0
0
0
0
0
0
0
0
0
0
0
P bit is set to 1 if the number of “1s” of source codes 4-30 is odd, and set to 0 if the number is even. Therefore,
the number of source codes which turn to 1 for one data must be an odd value, SPDIF ends with L output and
preamble output always starts in the same direction.
13.1 SPDIF Timing
(Unless specified, Ta=25℃, VDD1=3.3V, Load : 20pF)
Parameter
Symbol
SPDIF Clock Frequency
Tck
SPDIF Clock High time
Tck1
SPDIF Clock Low time
Tck2
Output High Voltage
Voh
Output Low Voltage
Vol
Min
-
150
150
VDD1-0.4
-
Typ
2.822
177
177
-
-
Max
unit
-
MHz
-
ns
-
-
V
0.4
V
Figure 21 Timing chart
14. USB I/F
USB I/O I/F
Signal name I/O
Function
Remarks
USB_DP I/O USB D+I/O terminal
-
USB_DM I/O USB D-I/O terminal
-
REXTI
O
USB bias resistance connection
terminal
Connect resistance of 12kΩ ± 1% to GND.
Differential signals of USB_DP and USB_DM enable communications with USB devices.
REXTI terminals become bias resistance connection terminals of the USB-PHY block.
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© 2012 ROHM Co., Ltd. All rights reserved.
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TSZ02201-0V2V0E600010-1-2
2012.07.12 Rev.001