DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 637

• 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: -

Prewrite Flowchart
(clear bit of block to be erased to 0)
Wait initial value setting x = 15 s
(set bit of block to be erased to 1)
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)
Address = top address
Set erase block register
V
Disable watchdog timer
(flash memory latches
Select program mode
PP
(read data = H'00?)
Prewrite verify
End of prewrite
E
Clear
Wait (t
Last address?
Set
OK
bit = 1 in FLMCR)
Wait (z) µs
Wait (x) µs
Clear P bit
Start
n = 1
V
V
PP
VS1
PP
E
) µs
Yes
E
bit
bit
*3
*4
Section 19 Flash Memory (H8/3048F: Dual Power Supply (V
*2
*1
Figure 19.11 Prewrite Flowchart
No good
No
Programming ends
(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
Rev. 7.00 Sep 21, 2005 page 611 of 878
: 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
Address + 1
x)
REJ09B0259-0700
address
PP
= 12 V))