參數(shù)資料
型號: IBM25PPC970FX6UB267ET
元件分類: 微控制器/微處理器
英文描述: 64-BIT, 1800 MHz, RISC PROCESSOR, CBGA576
封裝: 25 X 25 MM, 1 MM PITCH, CERAMIC, BGA-576
文件頁數(shù): 32/78頁
文件大?。?/td> 3524K
代理商: IBM25PPC970FX6UB267ET
Datasheet
PowerPC 970FX RISC Microprocessor
Electrical and Thermal Characteristics
Page 38 of 78
Version 2.5
March 26, 2007
Figure 3-8. HRESET and BYPASS Timing Diagram
Notes:
1. These timings refer to the following pins: BUS_CFG(0:2), PROCID(0:2).
2. These timings refer to the following pins: CKTERM_DIS, PLL_MULT, and PLL_RANGE(1:0).
These pins can only be changed by driving HRESET and BYBASS low.
3. HRESET and BYPASS can be low during initial program load stages and need not change during powerup before reference time A.
4. PLL control inputs must not change while HRESET is low.
5. The legend for this figure is provided by callout number in Table 3-21 on page 37.
PLL stable
HRESET
Power
PLL_LOCKED
200
μs
800
μs
BYPASS
SYSCLK ramp up completed
800
μs
4
3
6
5
PLL Control Inputs
Mode Select Inputs
All power supply voltages stable and
2
1
Reference
Time A
1
2
SRESET
> 1 ms
100
μs
500
μs
> 100 ns before INITCORE
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