HD64F36912GFH Renesas Electronics America, HD64F36912GFH Datasheet - Page 132

• Manufacturer Part Number: HD64F36912GFH
• Description: IC H8 MCU FLASH 8K 32-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F36912GFH

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 12MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 7 ROM
7.3
There is a mode for programming/erasing of the flash memory; boot mode, which enables on-
board programming/erasing. On-board programming/erasing can also be performed in user
program mode. At reset-start in reset mode, this LSI 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:
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
Rev. 3.00 Sep. 14, 2006 Page 102 of 408
REJ09B0105-0300
TEST
0
0
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.
Don’t care
On-Board Programming Modes
Boot Mode
Setting Programming Modes
NMI
1
0
E10T_0
X
1
LSI State after Reset End
User mode
Boot mode