HD64F3664FY Renesas Electronics America, HD64F3664FY Datasheet - Page 130
HD64F3664FY
Manufacturer Part Number
HD64F3664FY
Description
IC H8 MCU FLASH 32K 48QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.US3664-BAG1.pdf
(446 pages)
Specifications of HD64F3664FY
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
29
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
48-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
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Section 7 ROM
7.2.5
Bit 7 (FLSHE) in FENR enables or disables the CPU access to the flash memory control registers,
FLMCR1, FLMCR2, EBR1, and FLPWCR.
7.3
There are two modes for programming/erasing of the flash memory; boot mode, which enables on-
board programming/erasing, and programmer mode, in which programming/erasing is performed
with a PROM programmer. On-board programming/erasing can also be performed in user
program mode. At reset-start in reset mode, the series of HD64F3664 changes to a mode
depending on the TEST pin settings, NMI pin settings, and input level of each port, as shown in
table 7.1. The input level of each pin must be defined four states before the reset ends.
When changing to boot mode, the boot program built into this LSI is initiated. The boot program
transfers the programming control program from the externally-connected host to on-chip RAM
via SCI3. After erasing the entire flash memory, the programming control program is executed.
This can be used for programming initial values in the on-board state or for a forcible return when
programming/erasing can no longer be done in user program mode. In user program mode,
individual blocks can be erased and programmed by branching to the user program/erase control
program prepared by the user.
Table 7.1
[Legend]
X:
Rev. 6.00 Mar. 24, 2006 Page 100 of 412
REJ09B0142-0600
Bit
7
6 to 0
TEST
0
0
1
Don't care.
Flash Memory Enable Register (FENR)
On-Board Programming Modes
NMI
1
0
X
Bit
Name
FLSHE
—
Setting Programming Modes
P85
X
1
X
Initial
Value
0
All 0
X
0
PB0
X
R/W
R/W
—
PB1
X
X
0
Description
Flash Memory Control Register Enable
Flash memory control registers can be accessed when
this bit is set to 1. Flash memory control registers
cannot be accessed when this bit is set to 0.
Reserved
These bits are always read as 0.
PB2
X
X
0
User Mode
Boot Mode
Programmer Mode
LSI State after Reset End
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