DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 86
DF2437FV
Manufacturer Part Number
DF2437FV
Description
IC H8S/2437 MCU FLASH 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of DF2437FV
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2437FV
Manufacturer:
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Quantity:
10 000
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2.7.8
This mode can be used by the JMP and JSR instructions. The instruction code contains an 8-bit
absolute address specifying a memory operand. This memory operand contains a branch address.
The upper bits of the absolute address are all assumed to be 0, so the address range is 0 to 255
(H'0000 to H'00FF in normal mode, H'000000 to H'0000FF in advanced mode).
In normal mode the memory operand is a word operand and the branch address is 16 bits long. In
advanced mode the memory operand is a longword operand, the first byte of which is assumed to
be all 0 (H'00). Note that the first part of the address range is also the exception-handling vector
area. For further details, refer to section 4, Exception Handling.
If an odd address is specified in word or longword memory access, or as a branch address, the
least significant bit is regarded as 0, causing data to be accessed or instruction code to be fetched
at the address preceding the specified address. (For further information, see section 2.5.2, Memory
Data Formats.)
Note: Normal mode is not available in this LSI.
2.7.9
Table 2.13 indicates how effective addresses (EA) are calculated in each addressing mode. In
normal mode the upper 8 bits of the effective address are ignored in order to generate a 16-bit
address.
Note: Normal mode is not available in this LSI.
Rev.2.00 May. 28, 2009 Page 46 of 732
REJ09B0059-0200
Memory Indirect—@@aa:8
Effective Address Calculation
Specified
by @aa:8
Figure 2.12 Branch Address Specification in Memory Indirect Mode
Note: * Normal mode is not available in this LSI.
(a) Normal Mode
Branch address
*
Specified
by @aa:8
(a) Advanced Mode
Branch address
Reserved
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