R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 83

• Manufacturer Part Number: R5F21162SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/16r

Specifications of R5F21162SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
Figure 11.10
11.1.6.10 Interrupt Priority Judgement Circuit
The interrupt priority judgement circuit selects the highest priority interrupt. Figure 11.10 shows the
Judgement Circuit of Interrupts Priority Level.
Jan 19, 2006
Judgement Circuit of Interrupts Priority Level
Priority Level of Each Interrupt
Oscillation Stop Detection
Voltage Monitor 2
UART0 Transmit
Watchdog Timer
UART0 Receive
A/D Conversion
Address Match
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Compare 0
Compare 1
Key Input
Timer Z
Timer X
Timer C
INT3
INT0
INT1
I flag
IIC
IPL
Level 0 (initial value)
Highest
Lowest
Priority of peripheral function interrupts
(if priority levels are same)
Interrupt request level
judgment output signal
acknowledged
Interrupt
request
11. Interrupt