HD64F3437STF16V Renesas Electronics America, HD64F3437STF16V Datasheet - Page 559

• Manufacturer Part Number: HD64F3437STF16V
• Description: MCU 3/5V 60K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300r

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: -

21.4.6
All interrupts, including NMI input, should be disabled when flash memory is being programmed
or erased (while the P or E bit is set in FLMCR1) and while the boot program is executing in boot
mode
1. Interrupt occurrence during programming or erasing might cause a violation of the
2. In the interrupt exception handling sequence during programming or erasing, the vector would
3. If an interrupt occurred during boot program execution, it would not be possible to execute the
For these reasons, there are conditions for disabling interrupts in the on-board programming
modes alone, as an exception to the general rule. However, this provision does not guarantee
normal erasing and programming or microcontroller operation.
All requests, including NMI, must therefore be disabled inside and outside the microcontroller
when flash memory is programmed or erased. Interrupts are also disabled in the error protection
state while the P or E bit setting in FLMCR1 is held.
RD: Memory read possible
VF: Verify-read possible
PR: Programming possible
ER: Erasing possible
programming or erasing algorithm, with the result that normal operation could not be assured.
not be read correctly
normal boot mode sequence.
RD VF PR ER FLER = 0
*1
Error occurrence
, to give priority to the program or erase operation. There are three reasons for this:
Program mode
Interrupt Handling during Flash Memory Programming and Erasing
Erase mode
RD VF PR ER FLER = 1
Error protect mode
*2
Figure 21.14 Flash Memory State Transitions
, possibly resulting in microcontroller runaway.
(software standby
Error occurrence
mode)
RD: Memory read not possible
VF: Verify-read not possible
PR: Programming not possible
ER: Erasing not possible
Software standby mode
Software standby mode
RES = 0 or STBY = 0
release
RES = 0 or
STBY = 0
FLMCR1, FLMCR2 (except FLER bit),
EBR2 initialized
RD VF PR ER FLER = 1
RES = 0 or
STBY = 0
Error protect mode
RD VF PR ER FLER = 0
(hardware protection)
(standby)
hardware standby
Reset or
FLMCR1, FLMCR2,
EBR2 initialized
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