R5F21134DFP#U0 Renesas Electronics America, R5F21134DFP#U0 Datasheet - Page 124

• Manufacturer Part Number: R5F21134DFP#U0
• Description: IC R8C MCU FLASH 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/13r

Specifications of R5F21134DFP#U0

• Core Size: 16-Bit
• Program Memory Size: 16KB (16K x 8)
• Oscillator Type: Internal
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 22
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• No. Of I/o's: 22
• Eeprom Memory Size: 4KB
• Ram Memory Size: 1024Byte
• Cpu Speed: 20MHz
• No. Of Timers: 16
• Digital Ic Case: RoHS Compliant
• Controller Family/series: R8C/13
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

R8C/13 Group
Rev.1.20
REJ09B0111-0120
Figure 13.5 U0C1 and U1C1 Registers and UCON Register
UARTi transmit/receive control register 1 (i=0, 1)
UART transmit/receive control register 2
b 7
b 7
NOTES:
1. As for the UART1, set the TXD1EN bit in the UCON register before setting this bit to reception enabled.
2. The RI bit is set to "0" when the higher byte of the UiRB register is read.
N O T E S :
1 . F o r P 3
2 . D o n o t s e t t h e T X D 1 S E L a n d T X D 1 E N b i t s t o “ 1 ” a t t h e s a m e t i m e s i n c e t h e y f u n c t i o n i n d e p e n d e n t l y .
b 6
b 6
Jan 27, 2006
S e t t h e P D 3 _ 7 b i t i n t h e P D 3 r e g i s t e r t o “ 0 ” ( i n p u t m o d e ) w h e n r e c e i v i n g .
b 5
b 5
b 4
b 4
0 0
7
, s e l e c t “ 0 ” ( R x D
b 3
b 3
b 2
b 2
b 1
b 1
page 113 of 205
b 0
b 0
T X D 1 S E L
T X D 1 E N
U 0 R R M
1
s y m b o l
(b4-b3)
( b 7 - b 4 )
s y m b o l
U0IRS
U 1 I R S
T E
T I
R E
R I
) f o r d a t a r e c e i v e , a n d “ 1 ” ( T x D
(b7)
B i t
B i t
S y m b o l
Symbol
UCON
U 0 C 1
U 1 C 1
T r a n s m i t e n a b l e b i t
T r a n s m i t b u f f e r
e m p t y f l a g
R e c e i v e e n a b l e b i t
R e c e i v e c o m p l e t e f l a g
N o t h i n g i s a s s i g n e d .
W h e n w r i t e , s e t “ 0 ” . W h e n r e a d , i t s c o n t e n t i s “ 0 ” .
UART0 transmit
interrupt cause select bit
U A R T 1 t r a n s m i t
i n t e r r u p t c a u s e s e l e c t b i t
U A R T 0 c o n t i n u o u s
r e c e i v e m o d e e n a b l e b i t
P o r t T x D
T x D
R e s e r v e d b i t
N o t h i n g i s a s s i g n e d .
W h e n w r i t e , s e t “ 0 ” . W h e n r e a d , i t s c o n t e n t i s “ 0 ” .
s e l e c t b i t
1 0
/ R x D
Bit name
Bit name
1 1
( 1 , 2 )
1
s w i t c h i n g b i t
(1 )
A d d r e s s
Address
0 0 A D
0 0 A 5
00B0
(2 )
1 0
) f o r d a t a t r a n s f e r .
(2 )
1 6
1 6
16
0 : T r a n s m i s s i o n d i s a b l e d
1 : T r a n s m i s s i o n e n a b l e d
0 : D a t a p r e s e n t i n U i T B r e g i s t e r
1 : N o d a t a p r e s e n t i n U i T B r e g i s t e r
0 : R e c e p t i o n d i s a b l e d
1 : R e c e p t i o n e n a b l e d
0 : N o d a t a p r e s e n t i n U i R B r e g i s t e r
1 : D a t a p r e s e n t i n U i R B r e g i s t e r
0 : Transmit buffer empty (Tl = 1)
1 : Transmission completed (TXEPT = 1)
0 : T r a n s m i t b u f f e r e m p t y ( T l = 1 )
1 : T r a n s m i s s i o n c o m p l e t e d ( T X E P T = 1 )
0 : C o n t i n u o u s r e c e i v e m o d e d i s a b l e d
1 : C o n t i n u o u s r e c e i v e m o d e e n a b l e
0 : I / O p o r t P 0
1 : T x D
0 : R x D
1 : T x D
Must set to “0”
A f t e r r e s e t
After reset
1 1
1 0
1
0 2
0 2
00
1 6
1 6
16
0
F u n c t i o n
F u n c t i o n
13. Serial Interface
R W
R W
R W
R O
R O
RW
R W
R W
R W
R W
R W
R W