参数资料
型号: IP-POSPHY4
厂商: Altera
文件页数: 89/144页
文件大小: 0K
描述: IP POS-PHY L4
标准包装: 1
系列: *
类型: MegaCore
功能: POS-PHY 4 级接口,链路层/物理层
许可证: 初始许可证
Chapter 5: Functional Description—Transmitter
Signals
Table 5–3. SPI-4.2 Transmit Interface
.
5–17
tdclk
Signal
Direction
Output
Clock
Domain
Description
SPI-4.2 differential transmit clock. Double-data rate clock
synchronous to tctl and tdat .
SPI-4.2 differential transmit control. When set to logic 1, the word
tctl
Output
tdclk
on tdat is a control word. When set to logic 0, the word on tdat
is a payload word.
tdat[15:0]
Output
SPI-4.2 differential transmit data bus. Bus carries packet/cell
payload or in-band control words.
tsclk
tstat[1:0]
Input
Input
tsclk
tsclk
(either edge)
SPI-4.2 transmit status clock. All signals infixed by _ts_ are
synchronous to this clock.
SPI-4.2 transmit status channel. Indicate the downstream device’s
FIFO buffers fill levels to the upstream device’s scheduler.
Table 5–4. Global
Signal
trefclk
tdint_clk
txsys_clk
Direction
Input
Output
Input
Clock Domain
trefclk
tdint_clk
txsys_clk
Description
Transmitter reference clock. Typically route to LVDS PLL.
Signals infixed by _tr_ are synchronous to this clock.
Derived from trefclk . Signals infixed by _td_ are
synchronous to this clock.
System clock. Signals infixed by _ty_ are synchronous to
this clock.
Active low asynchronous reset to all internal logic, including
txreset_n
Input
Asynchronous Atlantic FIFO buffers. Refer to “Reset Structure” on
txinfo_aot[12:0]
stat_tx_pll_locked
ctl_tx_pll_areset
May 2013
Altera Corporation
Output
Output
Input
Static
Asynchronous
Fixed output information signal that contains the value for the
current AOT number for the release.
Locked signal directly from fast PLL in ALTLVDS for full rate
variations. Absent in quarter-rate variations.
Asynchronous reset signal directly to fast PLL in ALTLVDS for
full-rate variations. Absent in quarter-rate variations.
POS-PHY Level 4 MegaCore Function User Guide
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