R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 168
R5F21324ANSP#U1
Manufacturer Part Number
R5F21324ANSP#U1
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Ar
Datasheet
1.R5F21322ANSPU1.pdf
(629 pages)
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
-
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Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 138 of 583
Figure 11.9
Figure 11.10
11.4.5
INTi input
Sampling
timing
IR bit in
INTiIC register
The INTi input contains a digital filter. The sampling clock is selected using bits INTiF1 and INTiF0 in the
INTF register. The INTi level is sampled every sampling clock cycle and if the sampled input level matches
three times, the IR bit in the INTiIC register is set to 1 (interrupt requested).
Figure 11.9 shows the INTi Input Filter Configuration. Figure 11.10 shows an Operating Example of INTi Input
Filter.
Note:
This is an operating example when bits INTiF1 to INTiF0 in the INTF register are set to 01b, 10b, or 11b (digital filter enabled).
i = 0, 1, 3
INTi Input Filter (i = 0, 1, 3)
Port direction
Note:
1. INT0: Port P4_5 direction register
register
INTi Input Filter Configuration
Operating Example of INTi Input Filter
Preliminary specification
Specifications in this manual are tentative and subject to change.
INT1: Port P1_5 direction register when P1_5 pin used
INT3: Port P3_3 direction register when P3_3 pin used
INTi
(1)
Port P1_7 direction register when P1_7 pin used
INTiF0, INTiF1: Bits in INTF register
INTiEN, INTiPL: Bits in INTEN register
i = 0, 1, 3
f32
f1
f8
INTiF1 to INTiF0
= 01b
= 10b
= 11b
Nov 05, 2008
Sampling clock
Digital filter
(input level
matches
3 times)
Other than
INTiF1 to INTiF0
= 00b
INTiEN
= 00b
Both edges
detection
circuit
Set to 0 by a program.
INTiPL = 0
INTiPL = 1
INTi interrupt
11. Interrupts
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