HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 828
HD64F2638F20J
Manufacturer Part Number
HD64F2638F20J
Description
IC H8S MCU FLASH 256K 128-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2638F20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
Motor Control PWM, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2638F20J
Manufacturer:
PENESAS
Quantity:
252
- Current page: 828 of 1512
- Download datasheet (9Mb)
H8S/2639, H8S/2638, H8S/2636,
Section 21A ROM
H8S/2630, H8S/2635 Group
(H8S/2636 Group)
21A.9.3
Erase Mode
When erasing flash memory, the single-block erase flowchart shown in figure 21A-13 should be
followed.
The wait times after bits are set or cleared in the flash memory control register 1 (FLMCR1) and
the maximum number of erase operations (N) are shown in section 24.1.7, Flash Memory
Characteristics.
To erase flash memory contents, make a 1-bit setting for the flash memory area to be erased in
erase block register 1 and 2 (EBR1, EBR2) at least (t
) µs after setting the SWE bit to 1 in
sswe
FLMCR1. Next, the watchdog timer (WDT) is set to prevent overerasing due to program runaway,
etc. Set a value of about 19.8 ms as the WDT overflow period. Preparation for entering erase mode
(erase setup) is performed next by setting the ESU bit in FLMCR1. The operating mode is then
switched to erase mode by setting the E bit in FLMCR1 after the elapse of at least (t
) µs. The
sesu
time during which the E bit is set is the flash memory erase time. Ensure that the erase time does
not exceed (t
) ms.
se
Note: With flash memory erasing, preprogramming (setting all memory data in the memory to
be erased to all 0) is not necessary before starting the erase procedure.
Page 778 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Related parts for HD64F2638F20J
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet: