MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 110

• Manufacturer Part Number: MCF5282CVF80J
• Description: IC MPU 512K FLASH 256MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF528xr

Specifications of MCF5282CVF80J

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, SPI, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 150
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-MAPBGA
• Processor Series: MCF528x
• Core: ColdFire V2
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Development Tools By Supplier: NNDK-MOD5282-KIT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No

Static RAM (SRAM)
The RAMBAR contains several control fields. These fields are shown in
5-2
31–16
15–12
11–10
Address
Bits
7–6
9
8
Reset
Reset
Field BA31 BA30 BA29 BA28 BA27 BA26 BA25 BA24 BA23 BA22 BA21 BA20 BA19 BA18 BA17 BA16
Field
R/W
R/W
31
15
PRI1, PRI2
Name
SPV
WP
BA
—
—
30
14
—
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
29
13
Figure 5-1. SRAM Base Address Register (RAMBAR)
Base address. Defines the 0-modulo-64K base address of the SRAM module. By
programming this field, the SRAM may be located on any 64-Kbyte boundary within the
processor’s 4-Gbyte address space.
Reserved, should be cleared.
Priority bit. PRI1 determines if DMA or CPU has priority in upper 32k bank of memory. PRI2
determines if DMA or CPU has priority in lower 32k bank of memory. If bit is set, CPU has
priority. If bit is cleared, DMA has priority. Priority is determined according to the following
table.
NOTE: The Freescale-recommended setting for the priority bits is 00.
Secondary port valid. Allows access by DMA
0 DMA access to memory is disabled.
1 DMA access to memory is enabled.
NOTE: The BDE bit in the second RAMBAR register must also be set to allow dual port
access to the SRAM. For more information, see
Register
Write protect. Allows only read accesses to the SRAM. When this bit is set, any attempted
write access will generate an access error exception to the ColdFire processor core.
0 Allows read and write accesses to the SRAM module
1 Allows only read accesses to the SRAM module
Reserved, should be cleared.
28
12
Table 5-1. SRAM Base Address Register
(RAMBAR).”
PRI1 PRI2 SPV
27
11
26
10
PRI[1:2]
00
01
10
11
25
9
Undefined
CPU + 0xC05
Undefined
WP
24
8
W
W
DMA Accesses
DMA Accesses
CPU Accesses
CPU Accesses
23
Upper Bank
7
Description
Priority
—
22
6
Section 8.4.2, “Memory Base Address
C/I
21
5
Figure 5-1
SC
DMA Accesses
DMA Accesses
20
CPU Accesses
CPU Accesses
4
Lower Bank
Priority
SD
19
3
Freescale Semiconductor
UC
18
2
UD
17
1
16
V
0
0