R5F21272SNFP#U0 Renesas Electronics America, R5F21272SNFP#U0 Datasheet - Page 247

IC R8C/27 MCU FLASH 32LQFP

R5F21272SNFP#U0

Manufacturer Part Number
R5F21272SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet

Specifications of R5F21272SNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 14.66
Figure 14.67
Timer RE Control Register 1
b7 b6 b5 b4 b3 b2
NOTE:
1.
PM bit and H12_H24 bits: Bits in TRECR1 register
The above applies to the case when count starts from a.m. 0 on Sunday.
TREHR Register
Contents of PM bit
Contents in TREWK register
TREHR Register
Contents of PM bit
Contents in TREWK register
Contents of
Contents of
This bit is automatically modified w hile timer RE counts.
Sep 26, 2008
TRECR1 Register in Real-Time Clock Mode
Definition of Time Representation
b1 b0
H12_H24 bit = 1
H12_H24 bit = 0
H12_H24 bit = 1
H12_H24 bit = 0
(24-hour mode)
(12-hour mode)
(24-hour mode)
(12-hour mode)
Bit Symbol
H12_H24
TSTART
TRECR1
TRERST
TOENA
Symbol
TCSTF
(b0)
INT
PM
Page 228 of 453
18
0
0
6
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Timer RE count status flag
TREO pin output enable bit
Interrupt request timing bit
Timer RE reset bit
A.m./p.m. bit
Operating mode select bit
Timer RE count start bit
19
1
1
7
000 (Sunday)
1 (p.m.)
20
2
2
8
Address
Bit Name
21
011Ch
3
3
9
22
10
4
4
Date changes
0 (a.m.)
23
11
5
5
6
6
0
0
001 (Monday)
0 (a.m.)
7
7
1
1
0 : Count stopped
1 : Counting
0 : Disable clock output
1 : Enable clock output
Set to 1 in real-time clock mode.
When setting this bit to 0, after setting it to 1, the
follow ings w ill occur.
• Registers TRESEC, TREMIN, TREHR, TREWK,
• Bits TCSTF, INT, PM, H12_H24, and TSTART
• The 8-bit counter is set to 00h and
When the H12_H24 bit is set to 0
(12-hour mode)
0 : a.m.
1 : p.m.
When the H12_H24 bit is set to 1 (24-hour
mode), its value is undefined.
0 : 12-hour mode
1 : 24-hour mode
0 : Count stops
1 : Count starts
and TRECR2 are set to 00h.
in the TRECR1 register are set to 0.
the 4-bit counter is set to 0h.
000 (Sunday)
8
8
2
2
9
9
3
3
10
10
(1)
After Reset
11
11
Noon
Function
00h
12
0
13
1
⋅⋅⋅
⋅⋅⋅
⋅⋅⋅
⋅⋅⋅
14
1 (p.m.)
2
15
3
16
4
17
5
14. Timers
RW
RW
RW
RW
RW
RW
RW
RO

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