MPC564MZP66 Freescale Semiconductor, MPC564MZP66 Datasheet - Page 404
MPC564MZP66
Manufacturer Part Number
MPC564MZP66
Description
IC MCU 512K FLASH 66MHZ 388-BGA
Manufacturer
Freescale Semiconductor
Series
MPC5xxr
Specifications of MPC564MZP66
Core Processor
PowerPC
Core Size
32-Bit
Speed
66MHz
Connectivity
CAN, EBI/EMI, SCI, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
56
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 2.7 V
Data Converters
A/D 32x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
388-BGA
For Use With
MPC564EVB - KIT EVAL FOR MPC561/562/563/564
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Memory Controller
For addition details, refer to
10.2.6
In order to meet timing requirements when interfacing to external memories, the data setup time can be
reduced. This mode can be selected by programming the BRx registers. Thus there is flexibility in how
each region can be configured to operate. The operation mode will be determined dynamically according
to a particular access type. This means that for a memory region with the reduced setup time mode enabled,
the mode will automatically switch to disabled when there is no requirement for the reduced setup time,
(e.g., a back-to-back load/store access). For a new access with burst length more than 1, the operation
mode will be automatically switched back to the reduced setup time mode.
Reduced setup time can be selected via the SST bit in BR[0
Base Registers
access with reduced data setup time will corrupt a load/store to any USIU register.
The reduced setup time mode may or may not have a performance impact, depending on the properties of
the memory. Namely, there is always an additional empty cycle between two burst sequences. On the other
hand, this additional cycle, under certain conditions, may be compensated for by reducing the number of
cycles in initial data access and sequential burst beats.
10.2.6.1
Initial access:
To derive the number of clocks required, divide by the system clock cycle time:
Burst access:
The number of clocks required
This case is illustrated in
10-6
--------- -
17.9
56
Cycle time at 56 MHz = 17.9 ns
Short setup time = 3 ns
Normal setup time = 6 ns
Additional delay arising from on-board wires and clock skew between
internal clock and CLKOUT
Initial access time of memory
Burst access time of memory
=
3.13
Reduced Data Setup Time
Case 1: Normal Setup Time
(BR0–BR3)” for more details. If SCCR[EBDF] is greater than 0, however, an external burst
therefore 4 cycles are required
Table 10-1. Timing Requirements for Reduced Setup Time
CPU Specification
Figure
Section 9.5.4, “Burst
10-5.
MPC561/MPC563 Reference Manual, Rev. 1.2
=
+
--------- -
17.9
+
20
Data setup time of CPU
Data setup time of CPU
=
1.11
Transfer."
therefore 2 clocks are required.
:
3]. See
+
Initial access time = 49 ns
Burst access time = 13 ns
+
Delays
Delays
Section 10.9.3, “Memory Controller
Memory Device Requirements
=
=
13
49
+
+
6
6
+
+
1
1
Freescale Semiconductor
=
=
20ns
56ns
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