HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 471
HD64F3437TFI16V
Manufacturer Part Number
HD64F3437TFI16V
Description
MCU FLASH 60K 100-TQFP
Manufacturer
Renesas Electronics America
Datasheet
1.HD64F3437TFI16V.pdf
(755 pages)
Specifications of HD64F3437TFI16V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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20.1.4
Figure 20.1 shows a block diagram of the flash memory.
Automatic bit-rate alignment
In boot-mode data transfer, the H8/3437F aligns its bit rate automatically to the host bit rate
(maximum 9600 bps).
Flash memory emulation by RAM
Part of the RAM area can be overlapped onto flash memory, to emulate flash memory updates
in real time.
Writer mode
As an alternative to on-board programming, the flash memory can be programmed and erased
in writer mode, using a general-purpose PROM programmer. Program, erase, verify, and other
specifications are the same as for HN28F101 standard flash memory.
Legend:
FLMCR:
EBR1:
EBR2:
Block Diagram
Flash memory control register
Erase block register 1
Erase block register 2
FLMCR
EBR1
EBR2
Figure 20.1 Flash Memory Block Diagram
8
8
Internal data bus (upper)
Bus interface and control section
(even address)
Internal data bus (lower)
Upper byte
H'0000
H'0002
H'0004
H'F77C
H'F77E
On-chip flash memory
(60 kbytes)
(odd address)
Lower byte
H'0001
H'0003
H'0005
H'F77D
H'F77F
Operating
mode
MD
MD
1
0
439
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