MCF5270 FREESCALE [Freescale Semiconductor, Inc], MCF5270 Datasheet - Page 44

• Manufacturer Part Number: MCF5270
• Description: 32-bit Embedded Controller Division
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Preliminary Electrical Characteristics
Figure 11
8.7
44
NOTES:
1
NUM
G1
G2
G3
G4
GPIO pins include: INT, UART, and Timer pins.
CLKOUT High to GPIO Output Valid
CLKOUT High to GPIO Output Invalid
GPIO Input Valid to CLKOUT High
CLKOUT High to GPIO Input Invalid
General Purpose I/O Timing
shows an SDRAM write cycle.
SD_SCAS
SD_SRAS
RAS[1:0]
SD_CKE
CAS[3:0]
SD_WE
A[23:0]
D[31:0]
D2
D2
D2
D1
1
1
DACR[CASL] = 2
MCF5271 Integrated Microprocessor Hardware Specification, Rev. 1.2
0
ACTV
Characteristic
D7
Row
1
2
Figure 11. SDRAM Write Cycle
NOP
D2
D2
Table 33. GPIO Timing
D3
3
4
D4
WRITE
5
6
NOP
7
Symbol
1
t
t
CHPOV
t
CHPOI
t
PVCH
CHPI
8
Column
PALL
D8
D4
9
Min
1.5
1.5
—
10
9
D4
11
Freescale Semiconductor
12
Max
10
—
—
—
Unit
ns
ns
ns
ns