參數(shù)資料
型號(hào): MC92602ZTA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA196
封裝: 15 X 15 MM, 1.60 MM HEIGHT, 1 MM PITCH, MAPBGA-196
文件頁數(shù): 19/102頁
文件大?。?/td> 1581K
代理商: MC92602ZTA
MOTOROLA
Chapter 2. Transmitter
2-3
Transmitter Interface Signals
Table 2-1. MC92602 Transmitter Interface Signals
Signal Name
Description
Function
Direction
Active
State
XMIT_x_[3:0]
Transmit nibble
If TBIE is low, these 4 bits are uncoded data
to transmit. Bits 3–0 on the rising edge of
clock. Bits 7–4 on the falling edge of clock.
If TBIE is high, these 4 bits are coded data
to transmit. Bits 3–0 on the rising edge of
clock. Bits 8–5 on the falling edge of clock.
Input
XMIT_x_K
Transmit control bit
If TBIE is low, this is the ‘K’ (special
character) input on the rising edge of clock
and the IDLE (Idle indicator) on the falling
edge of clock.
If TBIE is high, this is data bit 4 on the rising
edge of clock and data bit 9 on the falling
edge of clock
Input
XMIT_x_CLK
Channel transmit clock
Clock to which transmit interface signals are
timed.
Input
XMIT_REF_A
Transmit interface clock
select
Indicates that the transmit interface signals
are timed to XMIT_A_CLK instead of their
own transmit clock.
Input
High
XCVR_x_DISABLE
Transceiver disable
Indicates that the transmitter and receiver
for this transceiver are disabled. The link
outputs are not driven (see Section 2.3.4,
Input
High
TBIE
Ten-bit interface enable
Indicates that pre-coded 10-bit data is at
inputs and to bypass internal 8B/10B coding.
Input
High
REPE
Repeater mode enable
Test feature only. Must be disabled (low)
during normal operation.
Input
High
HSE
Half-speed enable
When enabled, link is operated at half
speed. Both data and link interfaces run at
half speed.
Input
High
LBE
Loopback enable
Activate digital loopback path, such that data
transmitted is looped back to its receiver.
Input
High
LBOE
Loopback output
enable
Indicates that link outputs remain active
when LBE is asserted. When LBOE is low,
link outputs are disabled when LBE is
asserted.
Input
High
TST_1, TST_0
Test mode config inputs
Decoded to define various test modes (see
Chapter 6, “Test Features,” for details).
Input
MEDIA
Media impedance select
Indicates the impedance of the transmission
media. Low indicates 50
and high
indicates 75
.
Input
XLINK_x_N/
XLINK_x_P
Link serial transmit data
Differential serial transmit data output pads.
Output
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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