HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 914

• 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: -

Section 21C ROM
(H8S/2635 Group)
Bit 6—Software Write Enable Bit (SWE): This bit selects write and erase valid/invalid of the
flash memory. Set it when setting bits 5 to 0, bits 7 to 0 of EBR1, and bits 2 to 0 of EBR2.
Bit 6
SWE
0
1
Bit 5—Erase Setup Bit (ESU): Prepares for a transition to erase mode. Set this bit to 1 before
setting the E bit in FLMCR1 to 1. Do not set the SWE, PSU, EV, PV, E, or P bit at the same time.
Bit 5
ESU
0
1
Bit 4—Program Setup Bit (PSU): Prepares for a transition to program mode. Set this bit to 1
before setting the P bit in FLMCR1 to 1. Do not set the SWE, ESU, EV, PV, E, or P bit at the
same time.
Bit 4
PSU
0
1
Page 864 of 1458
Description
Writes disabled
Writes enabled
[Setting condition]
•
Description
Erase setup cleared
Erase setup
[Setting condition]
•
Description
Program setup cleared
Program setup
[Setting condition]
•
When FWE = 1
When FWE = 1 and SWE = 1
When FWE = 1 and SWE = 1
H8S/2639, H8S/2638, H8S/2636,
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
(Initial value)
(Initial value)
(Initial value)
May 28, 2010