HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 571
HD64F7051SFJ20V
Manufacturer Part Number
HD64F7051SFJ20V
Description
MCU 5V 256K J-TEMP PB-FREE QFP-1
Manufacturer
Renesas Electronics America
Series
SuperH® SH7050r
Datasheet
1.HD64F7050SFJ20V.pdf
(843 pages)
Specifications of HD64F7051SFJ20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, WDT
Number Of I /o
102
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
168-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS
Quantity:
101
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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18.5.4
RAMER specifies the area of flash memory to be overlapped with part of RAM when emulating
real-time flash memory programming. RAMER is initialized to H'0000 by a reset and in hardware
standby mode. It is not initialized in software standby mode. RAMER settings should be made in
user mode or user program mode. (For details, see the description of the BSC.)
Flash memory area divisions are shown in table 18.4. To ensure correct operation of the emulation
function, the ROM for which RAM emulation is performed should not be accessed immediately
after this register has been modified. Normal execution of an access immediately after register
modification is not guaranteed.
Bits 15 to 3—Reserved: These bits are always read as 0.
Bit 2—RAM Select (RAMS): Specifies selection or non-selection of flash memory emulation in
RAM. When RAMS = 1, all flash memory block are program/erase-protected.
Bits 1 and 0—Flash Memory Area Selection (RAM1, RAM0): These bits are used together
with bit 2 to select the flash memory area to be overlapped with RAM. (See table 18.4.)
Bit 2:
RAMS
0
1
Initial value:
Initial value:
RAM Emulation Register (RAMER)
Description
Emulation not selected
Program/erase-protection of all flash memory blocks is disabled
Emulation selected
Program/erase-protection of all flash memory blocks is enabled
R/W:
R/W:
Bit:
Bit:
15
—
—
R
R
0
7
0
14
—
—
R
R
0
6
0
13
—
—
R
R
0
5
0
12
—
—
R
R
0
4
0
Rev. 5.00 Jan 06, 2006 page 549 of 818
11
—
—
R
R
Section 18 ROM (128 kB Version)
0
3
0
RAMS
R/W
10
—
R
0
2
0
REJ09B0273-0500
RAM1
R/W
—
R
9
0
1
0
(Initial value)
RAM0
R/W
—
R
8
0
0
0
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