R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 1199
R4F24568NVFQV
Manufacturer Part Number
R4F24568NVFQV
Description
MCU 128KKB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of R4F24568NVFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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H8S/2456, H8S/2456R, H8S/2454 Group
22.11
Initiating boot mode enables the boot program to communicate with the host by using the on-chip
SCI_1. The serial communication interface specification is shown below.
(1)
The boot program has three states.
1. Bit-Rate-Adjustment State
2. Inquiry/Selection State
3. Programming/erasing state
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
In this state, the boot program adjusts the bit rate to communicate with the host. Initiating boot
mode enables starting of the boot program and entry to the bit-rate-adjustment state. The
program receives the command from the host to adjust the bit rate. After adjusting the bit rate,
the program enters the inquiry/selection state.
In this state, the boot program responds to inquiry commands from the host. The device name,
clock mode, and bit rate are selected. After selection of these settings, the program is made to
enter the programming/erasing state by the command for a transition to the
programming/erasing state. The program transfers the libraries required for erasure to the
RAM and erases the user ROMs before the transition.
Programming and erasure by the boot program take place in this state. The boot program is
made to transfer the programming/erasing programs to the RAM by commands from the host.
Sum checks and blank checks are executed by sending these commands from the host.
Status
Serial Communication Interface Specification for Boot Mode
Section 22 Flash Memory
Page 1169 of 1392
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