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SPEAR320 数据表(PDF) 47 Page - STMicroelectronics

部件名 SPEAR320
功能描述  Embedded MPU with ARM926 core, optimized for factory automation and consumer applications
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

SPEAR320 数据表(HTML) 47 Page - STMicroelectronics

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SPEAr320
Electrical characteristics
Doc ID 16755 Rev 5
47/73
6.5
3.3V I/O characteristics
The 3.3 V I/Os are compliant with JEDEC standard JESD8b.
6.6
LPDDR and DDR2 pin characteristics
Table 20.
Low voltage TTL DC input specification (3 V< VDD <3.6 V)
Symbol
Parameter
Min
Max
Unit
VIL
Low level input voltage
0.8
V
VIH
High level input voltage
2
V
Vhyst
Schmitt trigger hysteresis
300
800
mV
Table 21.
Low voltage TTL DC output specification (3 V< VDD <3.6 V)
Symbol
Parameter
Test condition
Min
Max
Unit
VOL
Low level output voltage
IOL= X mA
(1)
1.
Maximum current load (IOL) = 10 mA for PL_GPIO and PL_CLK pins. For the IOL max value of dedicated
pins, refer to Chapter 4: Pin description.
0.3
V
VOH
High level output voltage
IOH= -X mA
(1)
VDD - 0.3
V
Table 22.
Pull-up and pull-down characteristics
Symbol
Parameter
Test condition
Min
Max
Unit
RPU
Equivalent pull-up resistance
VI = 0 V
29
67
k
Ω
RPD
Equivalent pull-down
resistance
VI = VDDE3V3
29
103
k
Ω
Table 23.
DC characteristics
Symbol
Parameter
Test condition
Min
Max
Unit
VIL
Low level input voltage
SSTL18
-0.3
VREF-0.125
V
VIH
High level input voltage
SSTL18
VREF+0.125
VDDE1V8+0.3
V
Vhyst
Input voltage hysteresis
200
mV
Table 24.
Driver characteristics
Symbol
Parameter
Min
Typ
Max
Unit
RO
Output impedance
45
Ω



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