HD64F3048VTF8 Renesas Electronics America, HD64F3048VTF8 Datasheet - Page 632

• Manufacturer Part Number: HD64F3048VTF8
• Description: IC H8 MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3048VTF8

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 8MHz
• 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): 2.7 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: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F3048VX8

Section 19 Flash Memory (H8/3048F: Dual Power Supply (V
19.5.3
Flowchart for Programming One Byte
Rev. 7.00 Sep 21, 2005 page 606 of 878
REJ09B0259-0700
(set bit of block to be programmed to 1)
(clear bit of programmed block to 0)
Wait initial value setting x = 15 s
Write data to flash memory (flash
Programming Flowchart and Sample Program
End (1-byte data programmed)
memory latches write address
Select program-verify mode
Clear erase block register
Enable watchdog timer
(V
Set erase block register
Disable watchdog timer
(PV bit = 1 in FLMCR)
Verify (read memory)
PP
Select program mode
(P bit = 1 in FLMCR)
E bit = 1 in FLMCR)
Clear
Wait (t
Set V
Clear PV bit
Wait (z) µs
and data)
Wait (x) µs
Clear P bit
Start
n = 1
V
PP
VS1
PP
OK
E bit
E
) µs
*1
bit
*4
*2
*3
Figure 19.9 Programming Flowchart
No good
Programming ends
Clear erase block register
(clear bit of block to be
Programming error
programmed to 0)
Clear
Clear PV bit
n
V
N?
PP
Notes: 1. Write the data to be programmed using a
Yes
E
bit
2. Set the watchdog timer overflow interval
3. Read to verify data from the memory
4. t
5. Programming time x, which is determined
byte transfer instruction.
by setting CKS2 and CKS1 to 0 and
CKS0 to 1.
using a byte transfer instruction.
z:
N:
by the initial time
increases in proportion to n. Thus, set the
initial time to 15.8 s or less to make total
programming time 1 ms or less.
VS1
PP
Verify ends
: 4 µs
No
= 12 V))
time does not exceed 1 ms)
5 to 10 s
6 (set N so that total programming
Double the programming
time (x
n + 1
2n
–1
(n = 1 to 6),
2
n
x)
*5