R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 205
R5F21324CNSP#U0
Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet
1.R5F21321CDSPU0.pdf
(605 pages)
Specifications of R5F21324CNSP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
15
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 176 of 573
Figure 15.3
Figure 15.4
Write 0 to the interrupt source
flag in the status register
Write back control data
Write back control data
DTC activation source
DTC activation source
Read control data
Read control data
Read DTC vector
Read DTC vector
Transfer data
Transfer data
generation
NMIF = 1?
generation
CHNE=1?
NMIF = 1?
CHNE=1?
Branch 1
Branch 1
End
End
No
No
No
No
Timer RC, or Flash Memory Interrupt Source
Source
DTC Internal Operation Flowchart When DTC Activation Source is not SSU/I
DTC Internal Operation Flowchart When DTC Activation Source is Timer RC Interrupt
Yes
Yes
Yes
Yes
Write back control data
Write back control data
Read control data
Read control data
Transfer data
Transfer data
CHNE=1?
CHNE=1?
No
No
Branch 1
0 is written to the bit among bits DTCENi0 to DTCENi1, DTCENi3 to DTCENi7 and an interrupt request is
generated when transfer is either of the following:
- Transfer causing the DTCCTj (j = 0 to 23) register value to change from 1 to 0 in normal mode
- Transfer causing the DTCCTj register value to change from 1 to 0 while the RPTINT bit is 1 in repeat mode
Branch 1
0 is written to the bit among bits DTCENi0 to DTCENi1, DTCENi3 to DTCENi7 and an interrupt request is
generated when transfer is either of the following:
- Transfer causing the DTCCTj (j = 0 to 23) register value to change from 1 to 0 in normal mode
- Transfer causing the DTCCTj register value to change from 1 to 0 while the RPTINT bit is 1 in repeat mode
DTCENi0 to DTCENi1, DTCENi3 to DTCENi7: Bits in DTCENi (i = 0 to 3, 5, 6) registers
RPTINT, CHNE: Bits in DTCCRj registers
NMIF: Bit in DTCTL register
DTCENi0 to DTCENi1, DTCENi3 to DTCENi7: Bits in DTCENi (i = 0 to 3, 5, 6) registers
RPTINT, CHNE: Bits in DTCCRj registers
NMIF: Bit in DTCTL register
Yes
Yes
Generate an interrupt request
Generate an interrupt request
Write 0 to the bit among
Write 0 to the bit among
DTCENi0 to DTCENi1,
Write back control data
DTCENi0 to DTCENi1,
Write back control data
DTCENi3 to DTCENi7
DTCENi3 to DTCENi7
Interrupt handling
Interrupt handling
Transfer data
Transfer data
for the CPU
for the CPU
CHNE=1?
CHNE=1?
No
No
Yes
Yes
Write back control data
Write back control data
Read control data
Read control data
Transfer data
Transfer data
CHNE=1?
CHNE=1?
No
No
Yes
Yes
2
C bus,
15. DTC
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