參數(shù)資料
型號: MCIMX27MJP4A
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 400 MHz, MICROPROCESSOR, PBGA473
封裝: 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-473
文件頁數(shù): 91/152頁
文件大?。?/td> 3889K
代理商: MCIMX27MJP4A
i.MX27 and i.MX27L Data Sheet, Rev. 1.6
Freescale Semiconductor
43
Electrical Characteristics
4.1.3
Test Conditions and Recommended Settings
Unless specified, AC timing parameters are specified for 15 pF loading on i.MX27/iMX27L pads. Drive
strength has been kept at default/reset values for testing. EMI timing has been verified with high drive
strength setting and 25 pF loads. SDHC timing has also been verified with high drive strength setting.
Unless otherwise noted, AC/DC parameters are guaranteed at operating conditions shown in Table 7.
4.2
Module-Level Electrical Specifications
This section contains the i.MX27/iMX27L electrical information including timing specifications, arranged
in alphabetical order by module name.
4.2.1
Pads IO (PADIO) Electricals
4.2.1.1
DC Electrical Characteristics
The over-operating characteristics appear in Table 12 for GPIO pads and Table 13 for DDR (Double Data
Rate) pads (unless otherwise noted).
Table 12. GPIO Pads DC Electrical Parameters
Parameter
Symbol
Test Conditions
Min
Typical
Max
Units
High-level output voltage
VOH
IOH = -1 mA
NVDD -0.15
V
IOH = specified Drive
0.8*NVDD
——
V
Low-level output voltage
VOL
IOL = 1 mA
0.15
V
IOL = specified Drive
0.2*NVDD
V
High-level output current, slow slew rate
IOH_S
VOH = 0.8*NVDD
Normal
High
Max High1
–2
–4
–8
——
mA
High-level output current, fast slew rate
IOH_F
VOH = 0.8*NVDD
Normal
High
Max High1
–4
–6
–8
——
mA
Low-level output current, slow slew rate
IOL_S
VOL = 0.2*NVDD
Normal
High
Max High1
2
4
8
——
mA
Low-level output current, fast slew rate
IOL_F
VOL = 0.2*NVDD
Normal
High
Max High1
4
6
8
——
mA
Input Hysteresis
VHYS
Hysteresis enabled
0.25
V
Schmitt trigger VT+
VT +
Hysteresis enabled
0.5*QVDD
——
V
Schmitt trigger VT-
VT -
Hysteresis enabled
0.5*QVDD
V
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