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參數(shù)資料
| 型號： | CYP15G0101DXA-BBI |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Single Channel HOTLink II Transceiver |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PBGA100 |
| 封裝： | 11 X 11 MM, 1.40 MM HEIGHT, BGA-100 |
| 文件頁數(shù)： | 13/40頁 |
| 文件大?。?/td> | 527K |
| 代理商： | CYP15G0101DXA-BBI |
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CYP15G0101DXA
PRELIMINARY
Document #: 38-02061 Rev. **
Page 13 of 40
TXD[7:0] bits. The bit usage and mapping of these control bits
when the Encoder is bypassed is shown in
Table 4
.
In Encoder Bypass mode the SCSEL input is ignored. All
clocking modes interpret the data in the same way.
TX Modes 1 and 2
—
Factory Test Modes
These modes enable specific factory test configurations. They
are not considered normal operating modes of the device. En-
try or configuration into these test modes will not damage the
device.
TX Mode 3
—
Atomic Word Sync and SCSEL Control of Special
Codes
When configured in TX Mode 3, the SCSEL input is captured
along with the TXCT[1:0] data control inputs. These bits com-
bine to control the interpretation of the TXD[7:0] bits and the
characters generated by them. These bits are interpreted as
listed in
Table 5
.
When TXCKSEL = MID, the transmit channel captures data
into its Input Register using the TXCLK clock.
Word Sync Sequence
When TXCT[1:0] = 11, a 16-character sequence of K28.5
characters, known as a Word Sync Sequence, is generated on
the transmit channel. This sequence of K28.5 characters may
start with either a positive or negative disparity K28.5 (as de-
termined by the current running disparity and the 8B/10B cod-
ing rules). The disparity of the second and third K28.5 charac-
ters in this sequence are reversed from what normal 8B/10B
coding rules would generate. The remaining K28.5 characters
in the sequence follow all 8B/10B coding rules. The disparity
of the generated K28.5 characters in this sequence follow a
pattern
of
either
++
––
+
–
+
–
+
–
+
–
+
–
+
–
––
++
–
+
–
+
–
+
–
+
–
+
–
+.
When TXMODE[1] = MID (open, TX modes 3, 4, and 5), the
generation of this character sequence is an atomic (non-inter-
ruptible) operation. Once it has been successfully started, it
cannot be stopped until all 16 characters have been generat-
ed. The content of the Input Register is ignored for the duration
of this 16-character sequence. At the end of this sequence, if
the TXCT[1:0] = 11 condition is sampled again, the sequence
restarts and remains uninterruptible for the following 15 char-
acter clocks.
If parity checking is enabled, the character used to start the
Word Sync Sequence must also have correct ODD parity. This
is true even though the contents of the TXD[7:0] bits do not
directly control the generation of characters during the Word
Sync Sequence. Once the sequence is started, parity is not
checked on the following 15 characters in the Word Sync Se-
quence.
When TXMODE[1] = HIGH (TX modes 6, 7, and 8), the gen-
eration of the Word Sync Sequence becomes an interruptible
operation. In TX Mode 6, this sequence is started as soon as
the TXCT[1:0] = 11 condition is detected on the channel. In
order for the sequence to continue, the TXCT[1:0] inputs must
be sampled as 00 for the remaining 15 characters of the se-
quence.
If at any time a sample period exists where TXCT[1:0]
≠
00,
the Word Sync Sequence is terminated, and a character rep-
resenting the data and control bits is generated by the Encod-
er. This resets the Word Sync Sequence state machine such
that it will start at the beginning of the sequence at the next
occurrence of TXCT[1:0] = 11.
When parity checking is enabled and TXMODE[1] = HIGH, all
characters (including those in the middle of a Word Sync Se-
quence) must have correct parity. The detection of a character
with incorrect parity during a Word Sync Sequence (regardless
of the state of TXCT[1:0]) will interrupt that sequence and force
generation of a C0.7 SVS character. Any interruption of the
Word Sync Sequence causes the sequence to terminate.
or
Table 3. Transmit Operating Modes
TX Mode
Operating Mode
M
N
T
[
Word Sync
Sequence
Support
None
None
None
Atomic
SCSEL
Control
None
None
None
Special
Character
Word Sync
None
Special
Character
Word Sync
None
TXCT Function
Encoder Bypass
Reserved for test
Reserved for test
Encoder Control
0
1
2
3
LL
LM
LH
ML
4
5
6
MM
MH
HL
Atomic
Atomic
Interruptible
Encoder Control
Encoder Control
Encoder Control
7
8
HM
HH
Interruptible
Interruptible
Encoder Control
Encoder Control
Table 4. Encoder Bypass Mode (TXMODE[1:0] = LL)
Signal Name
TXD[0]
(LSB)
TXD[1]
TXD[2]
TXD[3]
TXD[4]
TXD[5]
TXD[6]
TXD[7]
TXCT[0]
TXCT[1]
(MSB)
Bus Weight
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
10B Name
a
[6]
b
c
d
e
i
f
g
h
j
Note:
6.
LSB is shifted out first.
Table 5. TX Modes 3 and 6 Encoding
S
T
T
Characters Generated
Encoded data character
K28.5 fill character
Special character code
16-character Word Sync Sequence
X
0
1
X
X
0
0
1
0
1
1
1
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相關(guān)代理商/技術(shù)參數(shù) |
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| CYP15G0101DXB | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Single-channel HOTLink II⑩ Transceiver |
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| CYP15G0101DXB_12 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Single-channel HOTLink IIa?￠ Transceiver |
| CYP15G0101DXB-BBC | 功能描述:電信線路管理 IC Single Channel XCVR 1.5Gbps Bckplane COM RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| CYP15G0101DXB-BBI | 功能描述:電信線路管理 IC Single Channel XCVR 1.5Gbps Bckplane IND RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
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