参数资料
型号: RM48L950PGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, RISC MICROCONTROLLER, PQFP144
封装: GREEN, PLASTIC, LQFP-144
文件页数: 16/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
tcyc(RTP)
tr
tf
th(RTP)
tl(RTP)
SPNS174
– SEPTEMBER 2011
4.21.8 RAM Trace Port (RTP)
The RTP provides the ability to datalog the RAM contents of the RM4x devices or accesses to peripherals
without program intrusion. It can trace all data write or read accesses to internal RAM. In addition, it
provides the capability to directly transfer data to a FIFO to support a CPU-controlled transmission of the
data. The trace data is transmitted over a dedicated external interface.
4.21.8.1 Features
The RTP offers the following features:
Two modes of operation - Trace Mode and Direct Data Mode
– Trace Mode
Non-intrusive data trace on write or read operation
Visibility of RAM content at any time on external capture hardware
Trace of peripheral accesses
2 configurable trace regions for each RAM module to limit amount of data to be traced
FIFO to store data and address of data of multiple read/write operations
Trace of CPU and/or DMA accesses with indication of the master in the transmitted data packet
– Direct Data Mode
Directly write data with the CPU or trace read operations to a FIFO, without transmitting header
and address information
Dedicated synchronous interface to transmit data to external devices
Free-running clock generation or clock stop mode between transmissions
Up to 100 Mbit per sec/pin transfer rate for transmitting data
Pins not used in functional mode can be used as GIOs
4.21.8.2 Timing Specifications
Figure 4-24. RTPCLK Timing
Table 4-43. RTPCLK Timing
Parameter
MIN
Description
tcyc(RTP)
tc(HCLK) * 2
Clock period, prescaled from HCLK; must not be faster
than HCLK / 2
th(RTP)
((tcyc(RTP))/2) - ((tr+tf)/2)
High pulse width
tl(RTP)
((tcyc(RTP))/2) - ((tr+tf)/2)
Low pulse width
112
System Information and Electrical Specifications
Copyright
2011, Texas Instruments Incorporated
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