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: 95/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
AddressWaitstates
DataWaitstates
RAM
AddressWaitstates
DataWaitstates
Flash
0MHz
100MHz
0
1
3
0
150MHz
2
120MHz
1
200MHz
50MHz
SPNS174
– SEPTEMBER 2011
3.3
Switching Characteristics over Recommended Operating Conditions for Clock Domains
Table 3-1. Clock Domain Timing Specifications
Parameter
Description
Conditions
Min
Max
Unit
fHCLK
HCLK - System clock frequency
Pipeline mode
200
MHz
enabled
Pipeline mode
50
MHz
disabled
fGCLK
GCLK - CPU clock frequency
fHCLK
MHz
fVCLK
VCLK - Primary peripheral clock
100
MHz
frequency
fVCLK2
VCLK2 - Secondary peripheral clock
100
MHz
frequency
fVCLK3
VCLK3 - Secondary peripheral clock
100
MHz
frequency
fVCLKA1
VCLKA1 - Primary asynchronous
100
MHz
peripheral clock frequency
fVCLKA3
VCLKA3 - Primary asynchronous
48
peripheral clock frequency
fVCLKA4
VCLKA4 - Secondary asynchronous
50
MHz
peripheral clock frequency
fRTICLK
RTICLK - clock frequency
fVCLK
MHz
3.4
Wait States Required
Figure 3-1. Wait States Scheme
As shown in the figure above, the TCM RAM can support program and data fetches at full CPU speed without
any address or data wait states required.
The TCM flash can support zero address and data wait states up to a CPU speed of 50MHz in non-pipelined
mode. The flash supports a maximum CPU clock speed of 200MHz in pipelined mode with one address wait
state and three data wait states.
The flash wrapper defaults to non-pipelined mode with zero address wait state and one random-read data wait
state.
Copyright
2011, Texas Instruments Incorporated
Device Operating Conditions
45
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