R5F21292SNSP#U0 Renesas Electronics America, R5F21292SNSP#U0 Datasheet - Page 278
R5F21292SNSP#U0
Manufacturer Part Number
R5F21292SNSP#U0
Description
MCU 3/5V 16K+2K 20PIN-SSOP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/29r
Datasheet
1.R5F21282SNSPU0.pdf
(473 pages)
Specifications of R5F21292SNSP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, 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)
2.2 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
R0K521276S000BE - KIT DEV RSK-R8C/26-29
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 16.9
Port Mode Register
b7 b6 b5 b4
NOTE:
1. The UART1 pins can be selected by using bits TXD1SEL and TXD1EN, and bits UART1SEL1 and UART1SEL0 in the
PINSR1 register.
×: 0 or 1
Sep 26, 2008
PINSR1 Register
UART1SEL0 bit
UART1SEL1,
b3 b2 b1
00b
01b
PMR Register
b0
0
Bit Symbol
U1PINSEL
TXD1SEL
TXD1EN
(b2-b1)
SSISEL
Symbol
IICSEL
PMR
(b0)
Page 259 of 441
—
—
Pin Function
P3_7(TXD1)
P3_7(RXD1)
P3_7(TXD1)
P4_5(RXD1)
Reserved bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
SSI pin select bit
TXD1 pin sw itch bit
Port/TXD1 pin sw itch bit
TXD1/RXD1 select bit
SSU / I
2
C bus pin sw itch bit
TXD1SEL bit
Address
Bit Name
×
1
×
00F8h
PMR Register
(1)
(1)
(1)
TXD1EN bit
1
0
×
Set to 0.
0 : P3_3
1 : P1_6
Set to 1 to use UART1.
0 : Programmable I/O port
1 : TXD1
0 : RXD1
1 : TXD1
0 : Selects SSU function
1 : Selects I
16. Clock Synchronous Serial Interface
2
C bus function
After Reset
Function
00h
RW
RW
RW
RW
RW
RW
RW
—
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