M30627FJPGP#U7C Renesas Electronics America, M30627FJPGP#U7C Datasheet - Page 153
M30627FJPGP#U7C
Manufacturer Part Number
M30627FJPGP#U7C
Description
IC M16C/62P MCU FLASH 128LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/60r
Specifications of M30627FJPGP#U7C
Core Processor
M16C/60
Core Size
16-Bit
Speed
24MHz
Connectivity
I²C, IEBus, UART/USART
Peripherals
DMA, WDT
Number Of I /o
111
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
31K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 26x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-LQFP
For Use With
867-1000 - KIT QUICK START RENESAS 62PR0K33062PS001BE - R0K33062P STARTER KITR0K33062PS000BE - KIT EVAL STARTER FOR M16C/62PM3062PT3-CPE-3 - EMULATOR COMPACT M16C/62P/30P
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M30627FJPGP#U7CM30627FJPGP#U3C
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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M16C/62P Group (M16C/62P, M16C/62PT)
Rev.2.41
REJ09B0185-0241
14.5
Figure 14.7
BCLK
DMA0
DMA1
CPU
INT0
DMA0
request bit
INT1
DMA1
request bit
An example where DMA requests for external factors are detected active at the same
If both DMA0 and DMA1 are enabled and DMA transfer request signals from DMA0 and DMA1 are detected
active in the same sampling period (one period from a falling edge to the next falling edge of BCLK), the DMAS
bit on each channel is set to “1” (DMA requested) at the same time. In this case, the DMA requests are arbitrated
according to the channel priority, DMA0 > DMA1. The following describes DMAC operation when DMA0 and
DMA1 requests are detected active in the same sampling period. Figure 14.7 shows an example of DMA Transfer
by External Factors.
DMA0 request having priority is received first to start a transfer when a DMA0 request and DMA1 request are
generated simultaneously. After one DMA0 transfer is completed, a bus arbitration is returned to the CPU. When
the CPU has completed one bus access, a DMA1 transfer starts. After one DMA1 transfer is completed, the bus
arbitration is again returned to the CPU.
In addition, DMA requests cannot be counted up since each channel has one DMAS bit. Therefore, when DMA
requests, as DMA1 in Figure 14.7, occurs more than one time, the DMAS bit is set to “0” as soon as getting the bus
arbitration. The bus arbitration is returned to the CPU when one transfer is completed.
Refer to 8.2.7 Hold Signal for details about bus arbitration between the CPU and DMA.
Channel Priority and DMA Transfer Timing
Jan 10, 2006
DMA Transfer by External Factors
Page 136 of 390
Bus
arbitration
14. DMAC
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