HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 157
HD64F3644H
Manufacturer Part Number
HD64F3644H
Description
IC H8 MCU FLASH 32K 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3644H
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
Contains lead / RoHS non-compliant
Eeprom Size
-
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Sample Program for Erasing One Block
This program uses the following registers:
R0:
R1H: Stores read data. Also used in dummy write.
R2:
R3:
R4:
R5:
R6L: Used for prewrite-verify and erase-verify fail count.
The values of #a, #b, #c, #d, and #e in the program depend on the operating frequency. They
should be set as indicated in tables 6.11 and 6.12. Erase block register (EBR1, EBR2) settings
should be made as indicated in sections 6.5.2 and 6.5.3 in section 6.5, Flash Memory Register
Descriptions. For #BLKSTR and #BLKEND, the start address and end address corresponding to
the set erase block register should be set as indicated in table 6.7.
FLMCR:
EBR1:
EBR2:
TCSRW:
TCW:
; #
; #
;
Execute prewrite
BLKSTR is start address of block to be erased
BLKEND is last address of block to be erased
Used for erase block specification. Also stores address used in prewrite and erase-verify.
Stores last address of block to be erased.
Stores address used in prewrite and erase-verify.
Used for prewrite, prewrite-verify, erase, and erase-verify loop counter value setting. Also
stores register set values.
Used for prewrite and erase loop counter value setting.
.EQU
.EQU
.EQU
.EQU
.EQU
.ALIGN 2
MOV.B #H'**,
MOV.B R0H,
MOV.W #BLKSTR, R0
MOV.W #BLKEND, R2
ADDS
MOV.W R0,
H'FF80
H'FF82
H'FF83
H'FFBE
H'FFBF
#1,
R0H
@EBR*:8
R2
R3
;
;
;
;
;
;
Set EBR
Start address of block to be erased
Last address of block to be erased
Last address of block to be erased + 1
Start address of block to be erased
*
Rev. 6.00 Sep 12, 2006 page 135 of 526
REJ09B0326-0600
Section 6 ROM
R2
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