HD64F3644HV Renesas Electronics America, HD64F3644HV Datasheet - Page 151
HD64F3644HV
Manufacturer Part Number
HD64F3644HV
Description
IC H8/3644 MCU FLASH 32K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3644HV
Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Package
64PQFP
Family Name
H8
Maximum Speed
8 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
45
Interface Type
SCI
On-chip Adc
8-chx8-bit
Number Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Company:
Part Number:
HD64F3644HV
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HD64F3644HV
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Part Number:
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6.7.3
Flowchart for Programming One Byte
(set bit for block to be programmed to 1)
(clear bit for programmed block to 0)
(flash memory latches write address
End (1-byte data programmed)
Select program-verify mode
Write data to flash memory
Clear erase block register
Enable watchdog timer
Disable watchdog timer
Programming Flowchart and Sample Program
Set erase block register
(PV bit = 1 in FLMCR)
Select program mode
(P bit = 1 in FLMCR)
Wait (t
(read memory)
Wait (x) s
Clear PV bit
and data)
Clear P bit
Verify
Start
n = 1
vs1
OK
) s
*3
*1
*4
*5
*2
Figure 6.13 Programming Flowchart
NG
End of programming
Programming error
Clear PV bit
n
Notes: 1. Write the data to be programmed using a byte
N?
Yes
*5
2. For the timer overflow interval, set the timer
3. Read the memory data to be verified using a
4. Programming time x is successively
5. t
Rev. 6.00 Sep 12, 2006 page 129 of 526
transfer instruction.
counter value (TCW) to H'FE.
byte transfer instruction.
incremented to initial set value
6). The initial value should therefore be set to
15.8 s or less to make the total
programming time 1 ms or less.
N:
vs1
: 4 µs or more
6 (set N so that total programming time
does not exceed 1 ms)
End of verify
No
Double the programming time
(x
n + 1
2
REJ09B0326-0600
Section 6 ROM
x)
n
2
n–1
(n = 1 to
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