HD64F3029XBL25V Renesas Electronics America, HD64F3029XBL25V Datasheet - Page 666
HD64F3029XBL25V
Manufacturer Part Number
HD64F3029XBL25V
Description
MCU 5V 512K,PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.HD64F3029X25.pdf
(1012 pages)
Specifications of HD64F3029XBL25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 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
-
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18.8
It is possible to alternate between the user MAT and user boot MAT. However, the following
procedure is required because these MATs are allocated to address 0.
(Switching to the user boot MAT disables programming and erasing. Programming of the user
boot MAT should take place in boot mode or PROM mode.)
(1) MAT switching by the FMATS register should always be executed from the on-chip RAM.
(2) To ensure that the MAT that has been switched to is accessible, execute 4 NOP instructions in
(3) If an interrupt has occurred during switching, there is no guarantee of which memory MAT is
(4) After the MATs have been switched, take care because the interrupt vector table will also have
(5) Memory sizes of the user MAT and user boot MAT are different. When accessing the user
the on-chip RAM immediately before or after writing to the FMATS register of the on-chip
RAM (this prevents access to the flash memory during MAT switching).
being accessed. Always mask the maskable interrupts before switching between MATs. In
addition, configure the system so that NMI interrupts do not occur during MAT switching.
been switched. If interrupt processing is to be the same before and after MAT switching,
transfer the interrupt-processing routines to the on-chip RAM, and use the settings of the
FVACR and FVADR registers to place the interrupt-vector table in the on-chip RAM .
boot MAT, do not access addresses above the top of its 10-kbyte memory space. If access goes
beyond the 10-kbyte space, the values read are undefined.
Switching between User MAT and User Boot MAT
Figure 18.20 Switching between the User MAT and User Boot MAT
<
User MAT
>
Procedure for switching to the user boot MAT
(1) Mask interrupts
(2) Write H'AA to the FMATS register.
(3) Execute 4 NOP instructions before
Procedure for switching to the user MAT
(1) Mask interrupts
(2) Write a value other than H'AA to the FMATS register.
(3) Execute 4 NOP instructions before or after accessing
accessing the user boot MAT.
the user MAT.
<
switching to the
On-chip RAM
user boot MAT
Procedure for
Procedure for
the user MAT
switching to
>
Rev. 2.0, 06/04, page 637 of 980
<
User boot MAT
>
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