K20P81M100SF2_1109 Datasheet, PDF (36/75 Pages) Freescale Semiconductor, Inc – K20 Sub-Family Data Sheet

Peripheral operating requirements and behaviors
Figure 9. EEPROM backup writes to FlexRAM
6.4.2 EzPort Switching Specifications
Table 24. EzPort switching specifications
Num
EP1
EP1a
Description
Operating voltage
EZP_CK frequency of operation (all commands except
READ)
EZP_CK frequency of operation (READ command)
Min.
1.71
—
—
EP2
EZP_CS negation to next EZP_CS assertion
EP3
EZP_CS input valid to EZP_CK high (setup)
EP4
EZP_CK high to EZP_CS input invalid (hold)
EP5
EZP_D input valid to EZP_CK high (setup)
EP6
EZP_CK high to EZP_D input invalid (hold)
EP7
EZP_CK low to EZP_Q output valid
EP8
EZP_CK low to EZP_Q output invalid (hold)
EP9
EZP_CS negation to EZP_Q tri-state
2 x t_{EZP_CK}
5
5
2
5
—
0
—
Max.
3.6
f_SYS/2
f_SYS/8
—
—
—
—
—
16
—
12
Unit
V
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
K20 Sub-Family Data Sheet Data Sheet, Rev. 6, 9/2011.
36
Freescale Semiconductor, Inc.