参数资料
型号: L64118
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA256
封装: PLASTIC, BGA-256
文件页数: 31/68页
文件大小: 877K
代理商: L64118
L64118 MPEG-2 Transport Controller with Embedded MIPS CPU (TR4101) 37
Figure 5
IREF Connection to RC Devices
IEEE 1149.1 (JTAG) Port
This group of signals drive the IEEE1149.1 Test Access Port (TAP).
TCK
Test Clock
Input
This is the clock pin to sample the JTAG input data.
TDI
Test Data In
Input
This line is for the JTAG input test data.
TDO
Test Data Out
Output
This line is for the JTAG output test data.
TMS
Test Mode Select
Input
This line lets you select between active and JTAG mode.
When in JTAG mode, the I/Os are serialized. Active mode
is for normal operation.
TRSTn
Test Port Reset
Input
When asserted LOW, this signal resets the internal JTAG
controller. It does not reset the chip.
18-bit DAC
IREF
DAC
Controlled
Oscillator
Digital
FSC
ACLK
REF_DIV
18
16
27 MHz
FSC_CNTL
14
DCO_DIV
16
0.1
F
L64118
AVDD
16.9 k
1%
AVSS
IREF
118bds Page 37 Wednesday, February 3, 1999 12:37 PM
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