M5271EVB Freescale Semiconductor, M5271EVB Datasheet - Page 30

• Manufacturer Part Number: M5271EVB
• Description: BOARD EVAL FOR MCF5270/71
• Manufacturer: Freescale Semiconductor

Specifications of M5271EVB

• Processor To Be Evaluated: MCF5271
• Interface Type: RS-232, Ethernet
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Characteristics
7.8
Refer to the chip configuration module (CCM) chapter in the device’s reference manual for more
information.
30
1
2
NUM
R1
R2
R3
R4
R5
R6
R7
R8
All AC timing is shown with respect to 50% V
During low power STOP, the synchronizers for the RESET input are bypassed and RESET is asserted asynchronously
to the system. Thus, RESET must be held a minimum of 100 ns.
Configuration Overrides*:
(RCON, Override pins])
Reset and Configuration Override Timing
RESET Input valid to CLKOUT High
CLKOUT High to RESET Input invalid
RESET Input valid Time
CLKOUT High to RSTOUT Valid
RSTOUT valid to Config. Overrides valid
Configuration Override Setup Time to RSTOUT invalid
Configuration Override Hold Time after RSTOUT invalid
RSTOUT invalid to Configuration Override High Impedance
CLKOUT
RSTOUT
RESET
MCF5271 Integrated Microprocessor Hardware Specification, Rev. 4
Figure 14. RESET and Configuration Override Timing
GPIO Outputs
Table 15. Reset and Configuration Override Timing
GPIO Inputs
CLKOUT
2
(V
R1
Characteristic
DD
= 2.7 to 3.6 V, V
Figure 13. GPIO Timing
DD
G3
levels unless otherwise noted.
R3
SS
G1
= 0 V, T
G4
R2
A
= T
R4
L
G2
to T
R5
Symbol
t
t
t
CHROV
t
ROVCV
t
ROICZ
t
t
t
RVCH
CHRI
RIVT
COH
COS
H
)
1
R6
Min
1.5
20
—
—
9
5
0
0
Freescale Semiconductor
R4
Max
R7
10
—
—
—
—
—
—
1
R8
t
t
t
Unit
CYC
CYC
CYC
ns
ns
ns
ns
ns