R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 165

• Manufacturer Part Number: R5F21324ANSP#U1
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Ar

Specifications of R5F21324ANSP#U1

• 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: -

Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 135 of 583
Figure 11.8
11.3.10 Interrupt Priority Level Selection Circuit
The interrupt priority level selection circuit is used to select the highest priority interrupt.
Figure 11.8 shows the Interrupt Priority Level Selection Circuit.
Preliminary specification
Specifications in this manual are tentative and subject to change.
Interrupt Priority Level Selection Circuit
Note:
Voltage monitor 1/comparator A1
Voltage monitor 2/comparator A2
Voltage monitor 1/comparator A1
Voltage monitor 2/comparator A2
UART2 bus collision detection
1. Selectable by the IICSEL bit in the SSUIICSR register.
Priority level of interrupts
Oscillation stop detection
UART2 transmit/NACK2
UART2 receive/ACK2
Flash memory ready
UART0 transmit
SSU / I
Watchdog timer
UART0 receive
A/D conversion
Address match
Timer RB
Timer RA
Timer RC
Timer RE
Key input
INT3
INT0
INT1
I flag
IPL
2
C bus
Nov 05, 2008
(1)
Level 0 (initial value)
Highest
Lowest
Peripheral function interrupt priority
(if the priority levels are same)
Interrupt request level
selection output signal
Interrupt request
acknowledgement
11. Interrupts