R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 43

• Manufacturer Part Number: R5F21102DFP#U0
• Description: IC R8C MCU FLASH 8K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/10r

Specifications of R5F21102DFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
8. Processor Mode
Table 8.1 Features of Processor Mode
Figure 8.1 PM0 Register and PM1 Register
Single-chip mode
8.1 Types of Processor Mode
The processor mode is single-chip mode. Table 8.1 shows the features of the processor mode. Figure 8.1
shows the PM0 and PM1 register.
Processor mode register 0
b 7
Processor mode register 1
N O T E S :
Processor mode
1 . S e t t h e P R C 1 b i t i n t h e P R C R r e g i s t e r t o " 1 " ( w r i t e e n a b l e ) b e f o r e w r i t i n g t o t h i s r e g i s t e r .
b 7
0
N O T E S :
1 . S e t t h e P R C 1 b i t i n t h e P R C R r e g i s t e r t o " 1 " ( w r i t e e n a b l e ) b e f o r e w r i t i n g t o t h i s r e g i s t e r .
2 . P M 1 2 b i t i s s e t t o “ 1 ” b y w r i t i n g a “ 1 ” i n a p r o g r a m . ( W r i t i n g a “ 0 ” h a s n o e f f e c t . )
b 6
b 6
b 5
b 5
b 4
b 4
b 3
b 3
b 2
0
b 2
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b 1
0 0
b 1
0
b 0
b 0
0
SFR, internal RAM, internal ROM
Bit symbol
Bit symbol
( b 1 - b 0 )
( b 7 - b 4 )
( b 6 - b 3 )
PM12
PM03
(b2)
( b 0 )
( b 1 )
S y m b o l
P M 0
(b7)
(1)
S y m b o l
P M 1
(1)
Access space
Software reset bit
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 t o “ 0 ” . W h e n r e a d , i t s
c o n t e n t i s i n d e t e r m i n a t e .
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 t o “ 0 ” . W h e n r e a d , i t s
c o n t e n t i s 0 .
Nothing is assigned. When write, set to “0”. When read, its
content is 0.
W D T i n t e r r u p t / r e s e t
s w i t c h b i t
Reserved bit
R e s e r v e d b i t
R e s e r v e d b i t
A d d r e s s
B i t n a m e
A d d r e s s
0 0 0 4
B i t n a m e
0 0 0 5
1 6
1 6
A f t e r r e s e t
0 : Watchdog timer interrupt
1 : Watchdog timer reset
Setting this bit to “1” resets the
microcomputer. When read, its
content is “0”.
All pins are I/O ports or peripheral
function I/O pins
0 0
S e t t o “ 0 ”
S e t t o “ 0 ”
S e t t o “ 0 ”
M u s t s e t t o “ 0 ”
1 6
A f t e r r e s e t
Pins which are assigned I/O ports
0 0
1 6
Function
Function
(2)
8. Processor Mode
R W
RW
R W
R W
R W
R W
RW
RW