DF36037FZJV Renesas Electronics America, DF36037FZJV Datasheet - Page 130
![MCU 3/5V 56K PB-FREE J-TEMP 64-L](/photos/28/61/286100/64-lqfp__plqp0064kb-a_sml.jpg)
DF36037FZJV
Manufacturer Part Number
DF36037FZJV
Description
MCU 3/5V 56K PB-FREE J-TEMP 64-L
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.DF36057GFZV.pdf
(594 pages)
Specifications of DF36037FZJV
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SSU
Peripherals
PWM, WDT
Number Of I /o
45
Program Memory Size
56KB (56K x 8)
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
For Use With
R0K436079S000BE - KIT DEV FOR H8/36079 W/COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 7 ROM
7.3.1
Table 7.2 shows the boot mode operations between reset end and branching to the programming
control program.
1. When boot mode is used, the flash memory programming control program must be prepared in
2. SCI3 should be set to asynchronous mode, and the transfer format as follows: 8-bit data, 1 stop
3. When the boot program is initiated, the chip measures the low-level period of asynchronous
4. After matching the bit rates, the chip transmits one H'00 byte to the host to indicate the
5. In boot mode, a part of the on-chip RAM area is used by the boot program. The area H'F780 to
6. Before branching to the programming control program, the chip terminates transfer operations
7. Boot mode can be cleared by a reset. End the reset after driving the reset pin low, waiting at
8. Do not change the TEST pin and NMI pin input levels in boot mode.
Rev. 4.00 Mar. 15, 2006 Page 96 of 556
REJ09B0026-0400
the host beforehand. Prepare a programming control program in accordance with the
description in section 7.4, Flash Memory Programming/Erasing.
bit, and no parity.
SCI communication data (H'00) transmitted continuously from the host. The chip then
calculates the bit rate of transmission from the host, and adjusts the SCI3 bit rate to match that
of the host. The reset should end with the RXD pin high. The RXD and TXD pins should be
pulled up on the board if necessary. After the reset is complete, it takes approximately 100
states before the chip is ready to measure the low-level period.
completion of bit rate adjustment. The host should confirm that this adjustment end indication
(H'00) has been received normally, and transmit one H'55 byte to the chip. If reception could
not be performed normally, initiate boot mode again by a reset. Depending on the host's
transfer bit rate and system clock frequency of this LSI, there will be a discrepancy between
the bit rates of the host and the chip. To operate the SCI properly, set the host's transfer bit rate
and system clock frequency of this LSI within the ranges listed in table 7.3.
H'FEEF is the area to which the programming control program is transferred from the host.
The boot program area cannot be used until the execution state in boot mode switches to the
programming control program.
by the SCI3 (by clearing the RE and TE bits in SCR to 0), however the adjusted bit rate value
remains set in BRR. Therefore, the programming control program can still use it for transfer of
program data or verify data with the host. The TXD pin is high (PCR22 = 1, P22 = 1). The
contents of the CPU general registers are undefined immediately after branching to the
programming control program. These registers must be initialized at the beginning of the
programming control program, as the stack pointer (SP), in particular, is used implicitly in
subroutine calls, etc.
least 20 states, and then setting the NMI pin. Boot mode is also cleared when a WDT overflow
occurs.
Boot Mode
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