HD64F3337YCP16V Renesas Electronics America, HD64F3337YCP16V Datasheet - Page 482
HD64F3337YCP16V
Manufacturer Part Number
HD64F3337YCP16V
Description
MCU 3/5V 60K PB-FREE 84-PLCC
Manufacturer
Renesas Electronics America
Series
H8® H8/300r
Specifications of HD64F3337YCP16V
Core Size
8-Bit
Program Memory Size
60KB (60K x 8)
Oscillator Type
Internal
Core Processor
H8/300
Speed
16MHz
Connectivity
Host Interface, I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
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
Operating Temperature
-20°C ~ 75°C
Package / Case
84-PLCC
No. Of I/o's
74
Ram Memory Size
1KB
Cpu Speed
16MHz
No. Of Timers
6
No. Of Pwm Channels
2
Digital Ic Case Style
PLCC
Controller Family/series
H8/300
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3337YCP16V
Manufacturer:
COILMASTER
Quantity:
30 000
Company:
Part Number:
HD64F3337YCP16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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20.4
The H8/3337YF’s on-chip flash memory is programmed and erased by software, using the CPU.
The flash memory can operate in program mode, erase mode, program-verify mode, erase-verify
mode, or prewrite-verify mode. Transitions to these modes can be made by setting the P, E, PV,
and EV bits in the flash memory control register (FLMCR).
The flash memory cannot be read while being programmed or erased. The program that controls
the programming and erasing of the flash memory must be stored and executed in on-chip RAM or
in external memory. A description of each mode is given below, with recommended flowcharts
and sample programs for programming and erasing.
For details on programming and erasing, refer to section 20.7, Flash Memory Programming and
Erasing Precautions.
20.4.1
To write data into the flash memory, follow the programming algorithm shown in figure 20.8. This
programming algorithm can write data without subjecting the device to voltage stress or impairing
the reliability of programmed data.
To program data, first specify the area to be written in flash memory with erase block registers
EBR1 and EBR2, then write the data to the address to be programmed, as in writing to RAM. The
flash memory latches the address and data in an address latch and data latch. Next set the P bit in
FLMCR, selecting program mode. The programming duration is the time during which the P bit is
set. The total programming time does not exceed 1 ms. Programming for too long a time, due to
program runaway for example, can cause device damage. Before selecting program mode, set up
the watchdog timer so as to prevent overprogramming. For details of the programming method,
refer to section 20.4.3, Programming Flowchart and Sample Programs.
452
Programming and Erasing Flash Memory
Program Mode
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