HD6417750SF167V Renesas Electronics America, HD6417750SF167V Datasheet - Page 152
HD6417750SF167V
Manufacturer Part Number
HD6417750SF167V
Description
MPU 3V 16K PB-FREE 208-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750SF167V
Core Processor
SH-4
Core Size
32-Bit
Speed
167MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
208-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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HD6417750SF167V
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INTERSIL
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Section 2 Programming Model
Note: Do not access undefined locations in either area The operation of an access to an
2.4
Register operands are always longwords (32 bits). When a memory operand is only a byte (8 bits)
or a word (16 bits), it is sign-extended into a longword when loaded into a register.
2.5
Memory data formats are classified into bytes, words, and longwords. Memory can be accessed in
8-bit byte, 16-bit word, or 32-bit longword form. A memory operand less than 32 bits in length is
sign-extended before being loaded into a register.
A word operand must be accessed starting from a word boundary (even address of a 2-byte unit:
address 2n), and a longword operand starting from a longword boundary (even address of a 4-byte
unit: address 4n). An address error will result if this rule is not observed. A byte operand can be
accessed from any address.
Big endian or little endian byte order can be selected for the data format. The endian should be set
with the MD5 external pin in a power-on reset. Big endian is selected when the MD5 pin is low,
and little endian when high. The endian cannot be changed dynamically. Bit positions are
numbered left to right from most-significant to least-significant. Thus, in a 32-bit longword, the
leftmost bit, bit 31, is the most significant bit and the rightmost bit, bit 0, is the least significant
bit.
The data format in memory is shown in figure 2.5.
Rev.7.00 Oct. 10, 2008 Page 66 of 1074
REJ09B0366-0700
undefined location is undefined. Also, memory-mapped registers must be accessed using a
fixed data size. The operation of an access using an invalid data size is undefined.
Data Format in Registers
Data Formats in Memory
31
Longword
0
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