HD64F3437STF16V Renesas Electronics America, HD64F3437STF16V Datasheet - Page 419
HD64F3437STF16V
Manufacturer Part Number
HD64F3437STF16V
Description
MCU 3/5V 60K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300r
Datasheet
1.HD64F3437STF16V.pdf
(755 pages)
Specifications of HD64F3437STF16V
Core Processor
H8/300
Core Size
8-Bit
Speed
16MHz
Connectivity
Host Interface, I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 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
-
Available stocks
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Company:
Part Number:
HD64F3437STF16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD64F3437STF16V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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Boot-Mode Execution Procedure: Figure 19.4 shows the boot-mode execution procedure.
10
1
2
3
4
5
6
7
8
9
After checking that all data in flash memory is H'FF,
H8/3434F branches to H'FBE0 in RAM area and
executes user program downloaded into RAM
After completing bit-rate alignment, H8/3434F
H8/3434F transmits one H'AA data byte to host
completion of bit-rate alignment, is received
H8/3434F transmits one H'AA data byte to host
H8/3434F receives two bytes indicating byte
After receiving H'55, H8/3434F sends part of
sends one H'00 data byte to host to indicate
area (H'FC00 to H'FF2F), then checks the
After transferring the user program to RAM,
H8/3434F calculates number of bytes left
Program H8/3434F pins for boot mode,
length (N) of program to be downloaded
Host transmits H'00 data continuously
normally, then transmits one H'55 byte
H8/3434F transfers one user program
data in the user area of flash memory
Host checks that this byte, indicating
H8/3434F branches to the RAM boot
of H'00 data transmitted from host
H8/3434F computes bit rate and
H8/3434F measures low period
to be transferred (N = N – 1)
that alignment is completed
the boot program to RAM
All bytes transferred?
sets bit rate register
at desired bit rate
to on-chip RAM
All data = H'FF?
byte to RAM
and reset
(N = 0?)
Start
Yes
Yes
*2
*1
memory blocks
Figure 19.4 Boot Mode Flowchart
Erase all flash
No
No
*3
1. Program the H8/3434F pins for boot mode, and start the
2. Set the host’s data format to 8 bits + 1 stop bit, select the
3. The H8/3434F repeatedly measures the low period of the
4. When SCI bit-rate alignment is completed, the H8/3434F
5. The host should receive the byte transmitted from the
6. After receiving H'55, H8/3434F sends part of the boot
7. After branching to the boot program area (H'FC00 to
8. After the H8/3434F transmits one H'AA data byte, the host
9. The H8/3434F stores the received user program in on-chip
10. After transmitting one H'AA data byte, the H8/3434F
Notes: *1 The user can use 910 bytes of RAM. The number
H8/3434F from a reset.
desired bit rate (2400, 4800, or 9600 bps), and transmit
H'00 data continuously.
RxD1 pin and calculates the host’s asynchronous-
communication bit rate.
transmits one H'00 data byte to indicate completion of
alignment.
H8/3434F to indicate that bit-rate alignment is completed,
check that this byte is received normally, then transmit one
H'55 byte.
program to H'FB80 to H'FBDF and H'FC00 to H'FF2F of
RAM.
H'FF2F) in RAM, the H8/3434F checks whether the flash
memory already contains any programmed data. If so, all
blocks are erased.
transmits the byte length of the user program to be
transferred to the H8/3434F. The byte length must be sent
as two-byte data, upper byte first and lower byte second.
After that, the host proceeds to transmit the user program.
As verification, the H8/3434F echoes each byte of the
received byte-length data and user program back to the
host.
RAM in a 910-byte area from H'FBE0 to H'FF6D.
branches to address H'FBE0 in on-chip RAM and executes
the user program stored in the area from H'FBE0 to
H'FF6D.
*2 The part of the user program that controls the flash
*3 If a memory cell malfunctions and cannot be
of bytes transferred must not exceed 910 bytes. Be
sure to transmit the byte length in two bytes, upper
byte first and lower byte second. For example, if the
byte length of the program to be transferred is 256
bytes (H'0100), transmit H'01 as the upper byte,
followed by H'00 as the lower byte.
memory should be coded according to the flash
memory program/erase algorithms given later.
erased, the H8/3434F transmits one H'FF byte to
report an erase error, halts erasing, and halts
further operations.
387
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