參數(shù)資料
型號(hào): MT9088IG
廠商: Zarlink Semiconductor Inc.
英文描述: TDM to Packet Processors
中文描述: TDM到分組處理器
文件頁(yè)數(shù): 18/97頁(yè)
文件大小: 702K
代理商: MT9088IG
MT90880/1/2/3
Data Sheet
18
Zarlink Semiconductor Inc.
3.6 System Control Interface
The system signals are 5 V tolerant.
RESOUT# is low while S_RST# is low.
The core of the chip will be held in reset for 16348 S_CLK cycles after S_RST# has gone high and 16348
PCI_CLK cycles after PCI_RST# have gone high to allow the PLLs to lock.
Table 10 - System Control Interface
3.7 Test Facilities
3.7.1 JTAG Interface
All JTAG signals are 5 V tolerant.
Table 11 - JTAG Interface
3.7.2 Test Facility
All test signals are 5 V tolerant except for IDDQ, SCLK_AT1 and PCLK_AT1.
Signal
I/O
Package Balls
Description
s_clk
I
B25
System clock
s_rst#
I
D24
Reset input
resout#
O
C25
Reset PHY
Signal
I/O
Package Balls
Description
jtag_trst#
I
AB17
JTAG reset. Must be pulled low
externally for normal operation.
jtag_tck
I
AB18
JTAG test clock
jtag_tms
I
AC18
JTAG test mode select
jtag_tdi
I
AD18
JTAG test data input
jtag_tdo
O
AE18
JTAG test data output
Signal
I/O
Width
Description
t_mode[1:0]
IOU
AF14 [1], AC14 [0]
Test – Set Mode upon Reset
00 - PLL test mode
01 - Scan test mode
10 - Board level test mode
11 - Normal operation
t_d[15:0]
O U
AC15 [15], AE14 [14], AB15 [13], AD14 [12],
AF15 [11], AE15 [10], AD15 [9], AF16 [8],
AB16 [7], AE16 [6], AC17 [5], AD16 [4],
AF17 [3], AE17 [2], AD17 [1], AF18 [0]
Test MUX output.
Also used as bootstrap pins to
configure the device following a reset.
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