DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 11

• Manufacturer Part Number: DF3048X16V
• Description: MCU 5V 128K,PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048X16V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 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: Lead free / RoHS Compliant
• Eeprom Size: -

Item
19.5.6 Erasing
Flowchart and
Sample Program
Prewrite Flowchart
Figure 19.11
Prewrite Flowchart
Page
611
Figure amended
Revision (See Manual for Details)
(clear bit of block to be erased to 0)
write address and write data)
Write H'00 to flash memory
Clear erase block register
Enable watchdog timer
(set P bit to 1 in FLMCR)
Disable watchdog timer
(flash memory latches
Select program mode
(read data = H'00?)
Prewrite verify
End of prewrite
Clear
Wait (t
Last address?
OK
Wait (x) µs
Clear P bit
V
VS1
PP
) µs
E
Yes
bit
*3
*4
*2
*1
No good
No
Programming ends
Rev. 7.00 Sep 21, 2005 page ix of xxiv
(clear bit of block to be erased to 0)
Clear erase block register
Programming error
Clear V
Notes: 1. Use a byte transfer instruction.
n
PP
N?
Yes
E bit
2. Set the watchdog timer overflow
3. In prewrite-verify mode P, E, PV,
4. t
interval by setting CKS2 = 0,
CKS1 = 0 and CKS0 = 1.
and EV are all cleared to 0 and
12 V is applied to V
byte transfer instruction.
z:
N:
VS1
: 4 s
programming time does not
exceed 1 ms)
5 to 10 s
6 (set N so that total
No
the programming
time (x
PP
n + 1
Double
. Use a
2
n
x)