HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 618

• Manufacturer Part Number: HD64F7051SFJ20V
• Description: MCU 5V 256K J-TEMP PB-FREE QFP-1
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7050r

Specifications of HD64F7051SFJ20V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, WDT
• Number Of I /o: 102
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 168-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 19 ROM (256 kB Version)
Bit 6—Software Write Enable Bit (SWE): Enables or disables the flash memory. This bit should
be set when setting bits 5 to 0, FLMCR2 bits 5 to 0, EBR1 bits 3 to 0, and EBR2 bits 7 to 0.
Bit 6:
SWE
0
1
Bit 5—Erase Setup Bit 1 (ESU1): Prepares for a transition to erase mode (applicable addresses:
H'00000 to H'1FFFFF). Do not set the SWE, PSU1, EV1, PV1, E1, or P1 bit at the same time.
Bit 5:
ESU1
0
1
Bit 4—Program Setup Bit 1 (PSU1): Prepares for a transition to program mode (applicable
addresses: H'00000 to H'1FFFFF). Do not set the SWE, ESU1, EV1, PV1, E1, or P1 bit at the
same time.
Bit 4:
PSU1
0
1
Rev. 5.00 Jan 06, 2006 page 596 of 818
REJ09B0273-0500
Description
Writes disabled
Writes enabled
[Setting condition]
When FWE = 1
Description
Erase setup cleared
Erase setup
[Setting condition]
When FWE = 1 and SWE = 1
Description
Program setup cleared
Program setup
[Setting condition]
When FWE = 1 and SWE = 1
(Initial value)
(Initial value)
(Initial value)