M30843FJFP#U3 Renesas Electronics America, M30843FJFP#U3 Datasheet - Page 86
![IC M32C MCU FLASH 512K 100LQFP](/photos/12/31/123117/m30843fjfp_u3_sml.jpg)
M30843FJFP#U3
Manufacturer Part Number
M30843FJFP#U3
Description
IC M32C MCU FLASH 512K 100LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Specifications of M30843FJFP#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
85
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 26x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
For Use With
R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M30843FJFP#U3M30843FJFP#D5
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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3
8.2 Bus Control
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J
2
0
C
Signals, required to access external devices, are provided and software wait states are inserted as follows.
The signals are available in memory expansion mode and microprocessor mode only.
8.2.1 Address Bus and Data Bus
8.2.2 Chip-Select Signal
1
9
8 /
0 .
B
Address bus is a signal accessing 16-Mbyte space and uses 24 control pins; A
inversed output signal of the highest-order address bit.
Data bus is a signal for data input and output. The DS register selects an 8-bit data bus from D
a 16-bit data bus from D
BYTE pin, the data bus accessing the external memory space 3 becomes an 8-bit data bus after reset.
When applying a low-level ("L") signal to the BYTE pin, the data bus accessing the external memory
space 3 becomes the 16-bit data bus.
When changing single-chip mode to memory expansion mode, the address bus is in an indeterminate
state until the microcomputer accesses an external memory space.
Chip-select signal shares pins with A
determine which CS area is accessed and how many chip-select signals are output. A maximum of four
chip-select signals can be output.
In microprocessor mode, no chip-select signal, aside from A
is output after reset.
The chip-select signal becomes "L" while the microcomputer is accessing the external CSi area (i=0 to 3).
It becomes "H" while the microcomputer is accessing other external memory space.
Figure 8.2 shows an example of the address bus and chip-select signal output.
0
1
4
0
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3
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6
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0 -
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0
1
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, 7
0
1
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2
M
0
3
0
2
5
C
8 /
_____
Page 63
, 4
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3
2
0
C
to D
8 /
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4
4
15
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9
5
for each external space. When applying a high-level ("H") signal to the
20
to A
22
and A
_____
23
. The PM11 and PM10 bits in the PM1 register
______
23
which can perform as a chip-select signal,
0
to A
22
and A
______
______
23
. A
0
_____
23
to D
is the
8. Bus
7
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