M30845FJGP#U3 Renesas Electronics America, M30845FJGP#U3 Datasheet - Page 424

IC M32C MCU FLASH 512K 144LQFP

M30845FJGP#U3

Manufacturer Part Number
M30845FJGP#U3
Description
IC M32C MCU FLASH 512K 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheets

Specifications of M30845FJGP#U3

Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
CAN, I²C, IEBus, SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
121
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 34x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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R
R
M
e
E
3
. v
J
2
Figure 25.4 FMR0 Register
0
C
25.3.3 Flash Memory Control Register (FMR0 Register and FMR1 Register)
1
9
0 .
B
8 /
0
1
4
0
3
J
G
6
u
o r
Flash Memory Control Register 0
0 -
. l
b7
NOTES:
u
0
1
1. Set the FMR01 bit while the NMI pin is held "H". Set it by program in a space other than the flash
2. Set the FMR02 bit to "1" in 8-bit unit immediately after setting it first to "0" while the FMR01 bit is set to
3. Set the FMSTP and FMR05 bits by program in a space other than the flash memory.
4. The FMR07 and FMR06 bits is set to "0" by executing the clear status command.
5. FMSTP bit setting is enabled when the FMR01 bit is set to "1" (CPU rewrite mode enabled).
6. Write and read operations by the lock bit program command and read lock bit status command are
7. To change a FMR01 bit setting from "0" to "1", set the FMR01 bit to "1" immediately after setting it
, 7
0
p
b6
1
memory in EW mode 0.
"1". Do not generate an interrupt or a DMA transfer between setting the FMR02 bit to "0" and setting it
to "1".
low-power consumption state nor is reset.
included.
first to "0" in 8-bit unit. Do not generate an interrupt or a DMA transfer between setting the FMR01 bit to
"0" and setting it to "1".
in 16-bit unit. Write "00
The FMSTP bit can be set to "1" when the FMR01 bit is set to "0", but the flash memory does not enter
To change a FMR01 bit setting from "1" to "0", enter read array mode to write to addresses 0057
(
2
M
b5
0
0
3
e. g., to change a FMR01 bit setting from "1" to "0";
5
2
b4
0
C
b3
8 /
Page 401
, 4
b2
Assembly language:
M
b1
3
2
b0
C
f o
8 /
16
FMR00
Symbol
FMSTP
FMR01
FMR02
FMR05
FMR06
FMR07
4
4
" into 8 high-order bits.
(b4)
) T
9
Bit
5
Symbol
FMR0
RY/BY Status Flag
CPU Rewrite Mode
Select Bit
Lock Bit Disable
Select Bit
Flash Memory Stop
Bit
Reserved Bit
User ROM Area Select
Bit
mode only)
Program Status Flag
Erase Status Flag
(3, 5)
(3)
(Available in boot
mov.w
Bit Name
(1, 7)
(2)
#0000h, 0057h
(4)
Address
0057
(4)
16
0 : BUSY (programming or erasing)
1 : READY
0 : Disables CPU rewrite mode
1 : Enables CPU rewrite mode
0 : Enables the lock bit
1 : Disables the lock bit
0 : Starts the flash memory
1 : Stops the flash memory
Set to "0"
0 : Boot ROM area is accessed
1 : User ROM area is accessed
0 : Successfully completed
1 : Terminated by error
0 : Successfully completed
1 : Terminated by error
(Enters low power consumption state
and flash memory is reset)
Function
After Reset
0000 0001
25. Flash Memory Version
2
(6)
RW
RW
RW
RW
RW
RO
RO
RO
16