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参数资料
型号： MPC8349CVVAGDA
厂商： FREESCALE SEMICONDUCTOR INC
元件分类： 微控制器/微处理器
英文描述： 32-BIT, 400 MHz, MICROPROCESSOR, PBGA672
封装： 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, TBGA-672
文件页数： 27/112页
文件大小： 1295K
代理商： MPC8349CVVAGDA
MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
21
RESET Initialization
5
RESET Initialization
This section describes the DC and AC electrical specifications for the reset initialization timing and
electrical requirements of the MPC8349EA.
5.1
RESET DC Electrical Characteristics
Table 8 provides the DC electrical characteristics for the RESET pins of the MPC8349EA.
5.2
RESET AC Electrical Characteristics
Table 9 provides the reset initialization AC timing specifications of the MPC8349EA.
Table 8. RESET Pins DC Electrical Characteristics
Characteristic
Symbol
Condition
Min
Max
Unit
Input high voltage
VIH
2.0
OVDD+0.3
V
Input low voltage
VIL
-0.3
0.8
V
Input current
IIN
±5
μA
Output high voltage
VOH
IOH = –8.0 mA
2.4
—
V
Output low voltage
VOL
IOL = 8.0 mA
—
0.5
V
Output low voltage
VOL
IOL = 3.2 mA
—
0.4
V
Notes:
1. This table applies for pins PORESET, HRESET, SRESET and QUIESCE.
2. HRESET and SRESET are open drain pins, thus VOH is not relevant for those pins.
Table 9. RESET Initialization Timing Specifications
Parameter/Condition
Min
Max
Unit
Notes
Required assertion time of HRESET or SRESET (input) to
activate reset flow
32
—
tPCI_SYNC_IN
1
Required assertion time of PORESET with stable clock applied
to CLKIN when the MPC8349EA is in PCI host mode
32
—
tCLKIN
2
Required assertion time of PORESET with stable clock applied
to PCI_SYNC_IN when the MPC8349EA is in PCI agent mode
32
—
tPCI_SYNC_IN
1
HRESET/SRESET assertion (output)
512
—
tPCI_SYNC_IN
1
HRESET negation to SRESET negation (output)
16
—
tPCI_SYNC_IN
1
Input setup time for POR configuration signals
(CFG_RESET_SOURCE[0:2] and CFG_CLKIN_DIV) with
respect to negation of PORESET when the MPC8349EA is in
PCI host mode
4—
tCLKIN
2
Input setup time for POR configuration signals
(CFG_RESET_SOURCE[0:2] and CFG_CLKIN_DIV) with
respect to negation of PORESET when the MPC8349EA is in
PCI agent mode
4—
tPCI_SYNC_IN
1
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MPC8349CVVAGFB 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
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