R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 172
R5F2121AJFP#U0
Manufacturer Part Number
R5F2121AJFP#U0
Description
MCU FLASH 96K 5K CMOS 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
Specifications of R5F2121AJFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
96KB (96K x 8)
Program Memory Type
FLASH
Ram Size
5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 14.24
The above applies to the following conditions.
TOSSTF bit in TRBOCR
TSTART bit in TRBCR
TRBPRE = 01h, TRBPR = 01h, TRBSC = 04h
INOSTG = 1 (INT0 one-shot trigger enabled)
INOSEG = 1 (edge trigger at rising edge)
Counter of timer RB
Timer RB prescaler
TRBIO pin output
TRBIOC register
underflow signal
IR bit in TRBIC
INT0 pin input
Count source
TOPL bit in
register
register
register
Operation Example of Programmable Wait One-Shot Generation Mode
1
0
1
0
1
0
1
0
1
0
Page 154 of 458
Set to 1 by program
Set to 0 by program
Count starts
Wait starts
01h
Set to 1 by setting 1 to TOSST bit in TRBOCR
register, or INT0 pin input trigger
(primary period)
Wait
Timer RB secondary reloads
Waveform output starts
00h
04h
03h
(secondary period)
Set to 0 when interrupt request is
acknowledged, or set by program
One-shot pulse
02h
01h
Set to 0 when
counting ends
Timer RB primary reloads
00h
Waveform output ends
14. Timers
01h
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