参数资料
型号: IDT79RC32T351-133DHG
厂商: IDT, Integrated Device Technology Inc
文件页数: 10/42页
文件大小: 0K
描述: IC MPU 32BIT CORE 133MHZ 208-QFP
产品变化通告: Product Discontinuation 07/Dec/2009
标准包装: 24
系列: Interprise™
处理器类型: RISC 32-位
速度: 133MHz
电压: 2.5V
安装类型: 表面贴装
封装/外壳: 208-BFQFP
供应商设备封装: 208-PQFP(28x28)
包装: 托盘
其它名称: 79RC32T351-133DHG
18 of 42
May 25, 2004
IDT 79RC32351
Figure 7 Warm Reset AC Timing Waveform
Active
Deasserted
Active
CLKP
COLDRSTN
RSTN
MDATA[31:0]
Mem Control Signals
>= 4096 CLKP clock cycles
OR
>= 64 CLKP clock cycles
*
>= 4096 CLKP clock cycles
OR
>= 64 CLKP clock cycles
*
(RSTN ignored during this period
to allow pull-up to drive signal high)
* Selection of 4096 or 64 cycles is selected by the boot configuration vector (fast reset).
1.
Warm reset condition caused by either RSTN asserted, write to reset register, or bus transaction timer time-out. The RC32351 asserts RSTN out-
put low in response.
2.
The RC32351 tri-states the data bus, MDATA[31:0], and deasserts all memory control signals, such as RASN, CASN, RWN, OEN, etc.
3.
The RC32351 deasserts RSTN.
4.
The RC32351 starts driving the data bus, MDATA[31:0], again, but does not sample the RSTN input.
5.
CPU begins executing by taking a MIPS soft reset exception and also starts sampling the RSTN input again.
FFFF_FFFF
12
3
4
5
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