M30845FJGP#U3 Renesas Electronics America, M30845FJGP#U3 Datasheet - Page 245

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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2
Figure 17.21 Start Condition or Stop Condition Detecting
0
C
17.3.1 Detecting Start Condition and Stop Condition
17.3.2 Start Condition or Stop Condition Output
1
9
8 /
0 .
B
The microcomputer detects either a start condition or stop condition. The start condition detect interrupt
is generated when the SCLi (i=0 to 4) pin level is held high ("H") and the SDAi pin level changes "H" to low
("L"). The stop condition detect interrupt is generated when the SCLi pin level is held "H" and the SDAi pin
level changes "L" to "H". The start condition detect interrupt shares interrupt control registers and vectors
with the stop condition detect interrupt. The BBS bit in the UiSMR register determines which interrupt is
requested.
The start condition is generated when the STAREQ bit in the UiSMR4 register (i=0 to 4) is set to "1"
(start). The restart condition is generated when the RSTAREQ bit in the UiSMR4 register is set to "1"
(start). The stop condition is generated the STPREQ bit in the UiSMR4 is set to "1" (start).
The start condition is output when the STAREQ bit is set to "1" and the STSPSEL bit in the UiSMR4
register is set to "1" (start or stop condition generating circuit selected). The restart condition output is
provided when the RSTAREQ bit and STSPSEL bit are set to "1". The stop condition output is provided
when the STPREQ bit and the STSPSEL bit are set to "1".
When the start condition, stop condition or restart condition is output, do not generate an interrupt be-
tween the instruction to set the STAREQ bit, STPREQ bit or RSTAREQ bit to "1" and the instruction to set
the STSPSEL bit to "1". When the start condition is output, set the STAREQ bit to "1" before the
STSPSEL bit is set to "1".
Table 17.18 lists function of the STSPSEL bit. Figure 17.22 shows functions of the STSPSEL bit.
0
1
4
0
G
3
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6
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0 -
. l
u
0
1
p
, 7
0
1
(
2
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0
3
0
2
5
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8 /
(Start condition)
(Stop condition)
i=0 to 4
NOTES:
Page 222
, 4
1. These cycles are main clock generation frequency cycles (X
3 to 6 cycles < setup time
3 to 6 cycles < hold time
SDAi
SDAi
SCLi
M
3
2
C
8 /
f o
4
4
) T
9
5
(1)
(1)
Setup time
Hold time
17. Serial I/O (Special Function)
IN
).

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