参数资料
型号: MPC8309VMADDCA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA489
封装: 19 X 19 MM, 1.61 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, PLASTIC, MAPBGA-489
文件页数: 6/81页
文件大小: 484K
代理商: MPC8309VMADDCA
MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 1
14
Freescale Semiconductor
DDR2 SDRAM
The following table provides the PLL lock times.
5.1
Reset Signals DC Electrical Characteristics
The following table provides the DC electrical characteristics for the MPC8309 reset signals mentioned in
6DDR2 SDRAM
This section describes the DC and AC electrical specifications for the DDR2 SDRAM interface of the
MPC8309. Note that DDR2 SDRAM is GVDD(typ) = 1.8 V.
6.1
DDR2 SDRAM DC Electrical Characteristics
The following table provides the recommended operating conditions for the DDR2 SDRAM component(s)
of the MPC8309 when GVDD(typ) = 1.8 V.
The following table provides the DDR2 capacitance when GVDD(typ) = 1.8 V.
Input setup time for POR configuration signals
(CFG_RESET_SOURCE[0:3]) with respect to negation of PORESET
4—
tSYS_CLK_IN
1, 2
Input hold time for POR config signals with respect to negation of
HRESET
0
ns
1, 2
Notes:
1. tSYS_CLK_IN is the clock period of the input clock applied to SYS_CLK_IN. For more details, see the MPC8309 PowerQUICC
II Pro Integrated Communications Processor Reference Manual
.
2. POR configuration signals consist of CFG_RESET_SOURCE[0:3].
Table 10. PLL Lock Times
Parameter/Condition
Min
Max
Unit
Note
PLL lock times
100
s—
Table 11. Reset Signals DC Electrical Characteristics
Characteristic
Symbol
Condition
Min
Max
Unit
Note
Output high voltage
VOH
IOH = –6.0 mA
2.4
V
1
Output low voltage
VOL
IOL = 6.0 mA
0.5
V
1
Output low voltage
VOL
IOL = 3.2 mA
0.4
V
1
Input high voltage
VIH
—2.0
OVDD +0.3
V
1
Input low voltage
VIL
—–0.3
0.8
V
Input current
IIN
0 V
VIN OVDD
±5
A—
Note:
1. This specification applies when operating from 3.3 V supply.
Table 9. RESET Initialization Timing Specifications (continued)
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