参数资料
型号: TMS320VC5409PGE-80
厂商: Texas Instruments
文件页数: 16/93页
文件大小: 0K
描述: IC FIXED POINT DSP 144-LQFP
标准包装: 60
系列: TMS320C54x
类型: 定点
接口: 主机接口,McBSP
时钟速率: 80MHz
非易失内存: ROM(32 kB)
芯片上RAM: 64kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.80V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 144-LQFP
供应商设备封装: 144-LQFP(20x20)
包装: 托盘
配用: 296-15829-ND - DSP STARTER KIT FOR TMS320C5416
Functional Overview
23
April 1999 Revised October 2008
SPRS082F
15
8
Reserved
R/W-0
7
10
Reserved
SWSM
R/W-0
R/W0
LEGEND: R = Read, W = Write, n = value present after reset
Figure 33. Software Wait-State Configuration Register (SWCR) [MMR Address 002Bh]
Table 32. Software Wait-State Configuration Register (SWCR) Bit Fields
PIN
RESET
FUNCTION
NO.
NAME
RESET
VALUE
FUNCTION
151
Reserved
0
These bits are reserved and are unaffected by writes.
0
SWSM
0
Software wait-state multiplier. Used to multiply the number of wait states defined in the SWWSR by a factor
of 1 or 2.
- SWSM = 0: wait-state base values are unchanged (multiplied by 1).
- SWSM = 1: wait-state base values are multiplied by 2 for a maximum of 14 wait states.
3.1.2 Programmable Bank-Switching Wait States
The programmable bank-switching logic of the 5409 is functionally equivalent to that of the 548/549 devices.
This feature automatically inserts one cycle when accesses cross memory-bank boundaries within program
or data memory space. A bank-switching wait state can also be automatically inserted when accesses cross
the data space boundary into program space.
The bank-switching control register (BSCR) defines the bank size for bank-switching wait-states. Figure 34
shows the BSCR and its bits are described in Table 33.
15
12
11
10
8
BNKCMP
PSDS
Reserved
R/W-1111
R/W1
R0
7
32
1
0
Reserved
HBH
BH
EXIO
R0
R/W-0
LEGEND: R = Read, W = Write, n = value present after reset
Figure 34. Bank-Switching Control Register (BSCR) [MMR Address 0029h]
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