HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 534

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 17 Flash Memory [H8/3026F-ZTAT Version]
17.5.1
When boot mode is used, a flash memory programming control program must be prepared
beforehand in the host, and SCI channel 1, which is to be used, must be set to asynchronous mode.
When a reset-start is executed after setting the H8/3026F-ZTAT version’s pins to boot mode, the
boot program already incorporated in the MCU is activated, and the programming control program
prepared beforehand in the host is transmitted sequentially to the H8/3026F-ZTAT version, using
the SCI. In the H8/3026F-ZTAT version, the programming control program received via the SCI
is written into the programming control program area in on-chip RAM. After the transfer is
completed, control branches to the start address (H'FFE720) of the programming control program
area and the programming control program execution state is entered (flash memory
programming/erasing can be performed).
Figure 17.5 shows a system configuration diagram when using boot mode, and figure 17.6 shows
the boot program mode execution procedure.
Rev. 2.00 Sep 20, 2005 page 494 of 800
REJ09B0260-0200
Boot Mode
Host
Figure 17.5 System Configuration When Using Boot Mode
Reception of programming data
Transmission of verify data
RxD1
TxD1
H8/3026F-ZTAT version
SCI1
Flash memory
On-chip RAM