M30624FGNGP#D5 Renesas Electronics America, M30624FGNGP#D5 Datasheet - Page 199

• Manufacturer Part Number: M30624FGNGP#D5
• Description: IC M16C MCU FLASH 256K 100LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/60r

Specifications of M30624FGNGP#D5

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 20K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 18x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

196
CPU Rewrite Mode (Flash Memory Version)
Figure 1.29.2. CPU rewrite mode set/reset flowchart
Figure 1.29.2b. Shifting to the low power dissipation mode flowchart
Note 1: During CPU rewrite mode, set the BCLK as shown below using the main clock divide ratio select bit (bit 6
Note 2: For CPU rewrite mode select bit to be set to “1”, the user needs to write a “0” and then a “1” to it in
Note 3: Before exiting the CPU rewrite mode after completing erase or program operation, always be sure to
Note 4: “1” can be set. However, when this bit is “1”, user ROM area is accessed.
(Subsequent operations are executed by control
Jump to transferred control program in RAM
Single-chip mode, memory expansion
Set processor mode register (Note 1)
at address 0006
6.25 MHz or less when wait bit (bit 7 at address 0005
10.0 MHz or less when wait bit (bit 7 at address 0005
succession. When it is not this procedure, it is not enacted in “1”. This is necessary to ensure that no
interrupt or DMA transfer will be executed during the interval. Write to this bit only when executing out of
an area other than the internal flash memory. Also only when NMI pin is “H” level.
execute a read array command or reset the flash memory.
Transfer CPU rewrite mode control
program to internal RAM
program in this RAM)
Program in ROM
mode, or boot mode
Note 1: For flash memory reset bit to be set to “1”, the user needs to write a “0” and then a “1” to it in succession.
Note 2: Before the count source for BCLK can be changed from X
Note 3: Make a waiting time for 10 s by software.
(Subsequent operations are executed by control
Transfer the program to be executed in the low
power dissipation mode, to the internal RAM.
Jump to transferred control program in RAM
When it is not this procedure, it is not enacted in “1”. This is necessary to ensure that no interrupt or DMA
transfer will be executed during the interval.
the count source is going to be switched must be oscillating stably.
In this waiting time, do not access flash memory.
Start
16
*1
and bits 6 and 7 at address 0007
program in this RAM)
Program in ROM
Start
*1
Wait time until the internal circuit stabilizes (10 s)
(Note 3)
Set CPU rewrite mode select bit to “1”
(by writing “0” and then “1” in succession)
Set flash memory reset bit to “1”
(by writing “0” and then “1” in succession)(Note 1)
X
IN
IN
Set flash memory reset bit to “0”
Set CPU rewrite mode select bit to “0”
Switch the count source of BCLK.
X
to X
oscillating
Switch the count source of BCLK (Note 2)
IN
16
Process of low power dissipation mode
stop. (Note 2)
16
16
CIN
):
Execute read array command or reset flash
memory by setting flash memory reset bit (by
writing “1” and then “0” in succession) (Note 3)
) = “0” (without internal access wait state)
) = “1” (with internal access wait state)
or vice versa, the clock to which
Set CPU rewrite mode select bit to “1” (by
writing “0” and then “1” in succession)(Note 2)
(Boot mode only)
Write “0” to user ROM area select bit (Note 4)
Program in RAM
Using software command execute erase,
program, or other operation
(Set lock bit disable bit as required)
Write “0” to CPU rewrite mode select bit
Wait until the X
(Boot mode only)
Set user ROM area select bit to “1”
End
*1
Program in RAM
IN
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
has stabilized
End
*1
M16C / 62N Group
Mitsubishi microcomputers