DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 625
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:
Renesas Electronics America
Quantity:
10 000
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12. Execute programming
• The general registers other than R0L are retained in the programming program.
• R0L is a return value of FPFR.
• Since the stack area is used in the programming program, a stack area of 128 bytes at the
13. Check the return value in the programming program, FPFR (general register R0L)
14. Determine whether programming of the necessary data has finished
15. After programming is finished, clear FKEY and specify software protection
There is an entry point of the programming program in the area from the start address specified
by FTDAR + 16 bytes of the on-chip RAM. The subroutine should be called and programming
should be executed by using the following steps.
MOV.L
JSR
NOP
maximum must be saved in RAM.
If more than 128 bytes of data needs to be programmed, specify FMPAR and FMPDR in 128-
byte units, and repeat steps 12 to 14. Increment the programming destination address by 128
bytes and update the programming data pointer correctly. If an address which has already been
programmed is programmed again, not only will a programming error occur, but also flash
memory will be damaged.
If this LSI is restarted by a reset immediately after user MAT programming has finished,
secure the reset period (period of RES = 0) of 100 μs which is longer than normal.
#DLTOP+16,ER2
@ER2
; Set entry address to ER2
; Call programming routine
Rev.2.00 May. 28, 2009 Page 585 of 732
REJ09B0059-0200
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