DF61657CN35FTV Renesas Electronics America, DF61657CN35FTV Datasheet - Page 719

• Manufacturer Part Number: DF61657CN35FTV
• Description: IC H8SX/1657 MCU FLASH 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of DF61657CN35FTV

• Core Processor: H8SX
• Core Size: 32-Bit
• Speed: 35MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 82
• Program Memory Size: 768KB (768K x 8)
• Program Memory Type: FLASH
• Ram Size: 24K 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: 120-TQFP, 120-VQFP
• For Use With: 3DK1657 - DEV EVAL KIT FOR H8SX/1657
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

(3)
The procedures for download of the on-chip program, initialization, and erasing are shown in
figure 18.14.
Erasing Procedure in User Program Mode
Set SCO to 1 after initializing
VBR and execute download
JSR FTDAR setting + 32
Select on-chip program
to be downloaded and
destination by FTDAR
Start erasing procedure
specify download
Set FKEY to H'A5
Set the FPEFEQ
Clear FKEY to 0
Initialization
FPFR = 0 ?
DPFR = 0?
parameter
program
1
Figure 18.14 Erasing Procedure in User Program Mode
Yes
Yes
Initialization error processing
Download error processing
No
No
1.
Section 18 Flash Memory (0.18-µm F-ZTAT Version)
No
JSR FTDAR setting + 16
Disable interrupts and
bus master operation
Rev. 2.00 Jun. 28, 2007 Page 693 of 864
Set FEBS parameter
procedure program
Clear FKEY to 0
Set FKEY to H'5A
other than CPU
Required block
End erasing
FPFR =0
completed?
erasing is
Erasing
1
Yes
Yes
Clear FKEY and erasing
No
error processing
REJ09B0341-0200
2.
3.
4.
5.
6.