R5F21217JFP#U0 Renesas Electronics America, R5F21217JFP#U0 Datasheet - Page 161
R5F21217JFP#U0
Manufacturer Part Number
R5F21217JFP#U0
Description
IC R8C/20 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
Specifications of R5F21217JFP#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
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K 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
For Use With
R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21217JFP#U0R5F21217JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21217JFP#U0R5F21217JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
135
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R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 14.18
When the TWRC bit is set to 0 (write to reload register and counter)
When the TWRC bit is set to 1 (write to reload register only)
The above applies under the following conditions.
Both bits TSTART and TCSTF in the TRBCR register are set to 1 (During count).
Counter of timer RB
Reloads register of
Reloads register of
Counter of timer RB
timer RB prescaler
timer RB prescaler
Reloads register of
Reloads register of
timer RB prescaler
timer RB prescaler
IR bit in TRBIC
IR bit in TRBIC
Count source
Count source
Counter of
Set 01h to the TRBPRE register and 25h to
the TRBPR register by a program.
Set 01h to the TRBPRE register and 25h to
the TRBPR register by a program.
Counter of
timer RB
timer RB
register
Operation
Operating Example of Timer RB when Counter Value is Rewritten during Count
register
0
0
Page 143 of 458
Previous value
Previous value
06h
06h
05h
05h
Previous value
After writing, the reload register is
written with the first count source.
03h
After writing, the reload register is
written with the first count source.
04h
04h
Previous value
03h
03h
01h
Reload with
the second
count source
The IR bit remains unchanged until underflow
is generated by a new value.
02h
00h
After writing, the reload register is
written on the first underflow.
01h
Reload on
underflow
01h
02h
New value (01h)
00h
00h
01h
01h
New value (01h)
Reload on the second
underflow
Only the prescaler values are updated,
extending the duration until timer RB underflow.
Reload on
underflow
New value (25h)
25h
02h
00h
00h
After writing, the reload register is
written on the first underflow.
01h
01h
24h
01h
New value (25h)
00h
00h
01h
00h
00h
01h
Reload on
underflow
25h
14. Timers
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