MPC8544DS Freescale Semiconductor, MPC8544DS Datasheet - Page 342
MPC8544DS
Manufacturer Part Number
MPC8544DS
Description
BOARD DEVELOPMENT SYSTEM 8544
Manufacturer
Freescale Semiconductor
Series
PowerQUICC III™r
Type
MPUr
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
4.MPC8544DS.pdf
(2 pages)
Specifications of MPC8544DS
Contents
Board
Processor To Be Evaluated
MPC8544E
Data Bus Width
32 bit
Interface Type
Ethernet, I2C
Operating Supply Voltage
- 0.3 V to + 1.1 V
Leaded Process Compatible
Yes
Peak Reflow Compatible (260 C)
Yes
Rohs Compliant
Yes
For Use With/related Products
MPC8544
For Use With
PPC8544EVTANG - EVAL MPC8544 783FCPBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- MPC8544VTALF PDF datasheet
- MPC8544VTALF PDF datasheet #2
- MPC8544VTALF PDF datasheet #3
- MPC8544DS PDF datasheet #4
- Current page: 342 of 1340
- Download datasheet (12Mb)
DDR Memory Controller
9.4.1.6
DDR SDRAM timing configuration 2, shown in
9-18
16–19
21–23
25–27 ACTTOACT Activate-to-activate interval (t
29–31 WRTORD Last write data pair to read command issue interval (t
Offset 0x10C
Reset
Bits
20
24
28
W
R
— ADD_LAT
0
REFREC
WRREC
Name
1
—
—
—
DDR SDRAM Timing Configuration 2 (TIMING_CFG_2)
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Figure 9-7. DDR SDRAM Timing Configuration 2 Register (TIMING_CFG_2)
Refresh recovery time (t
command is allowed. This field is concatenated with TIMING_CFG_3[EXTREFREC] to obtain a 7-bit value
for the total refresh recovery. Note that hardware adds an additional 8 clock cycles to the final, 7-bit value
of the refresh recovery, such that t
0000 8 clocks
0001 9 clocks
0010 10 clocks
Reserved, should be cleared.
Last data to precharge minimum interval (t
associated with a write command until a precharge command is allowed.
000 Reserved
001 1 clock
010 2 clocks
011 3 clocks
100 4 clocks
101 5 clocks
110 6 clocks
111 7 clocks
Reserved, should be cleared.
activate command is allowed for a different logical bank in the same physical bank (chip select).
000 Reserved
001 1 clock
010 2 clocks
011 3 clocks
Reserved, should be cleared.
data pair and the subsequent read command to the same physical bank.
000 Reserved
001 1 clock
010 2 clocks
011 3 clocks
3 4
CPO
Table 9-10. TIMING_CFG_1 Field Descriptions (continued)
8 9 10
— WR_LAT
RFC
12 13
). Controls the number of clock cycles from a refresh command until an activate
RRD
0011 11 clocks
…
1111 23 clocks
100 4 clocks
101 5 clocks
110 6 clocks
111 7 clocks
100 4 clocks
101 5 clocks
110 6 clocks
111 7 clocks
—
). Number of clock cycles from an activate command until another
RFC
15 16
Figure
is calculated as follows: t
RD_TO_PRE WR_DATA_DELAY — CKE_PLS
All zeros
WR
). Determines the number of clock cycles from the last data
Description
9-7, sets the clock delay to data for writes.
18
WTR
19
). Number of clock cycles between the last write
RFC
= {EXT_REFREC || REFREC} + 8.
21 22 23
Freescale Semiconductor
Access: Read/Write
25 26
FOUR_ACT
31
Related parts for MPC8544DS
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: