R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 140

• 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
Table 15.24 Unassigned Pin Handling
Figure 15.9 Unassigned Pin Handling
N O T E S :
15.3 Unassigned Pin Handling
1 . W h e n t h e s e p o r t s a r e s e t f o r o u t p u t m o d e a n d l e f t o p e n , t h e y r e m a i n i n p u t m o d e u n t i l t h e y a r e s e t f o r
2 . C o n n e c t t h e s e u n a s s i g n e d p i n s t o t h e m i c r o c o m p u t e r u s i n g t h e s h o r t e s t w i r e l e n g t h ( w i t h i n 2 c m )
P o r t s P 0 , P 1 , P 3
P 3
A V
A V
P o r t s P 4
Table 15.24 lists the handling of unassigned pins.
o u t p u t m o d e b y a p r o g r a m . T h e v o l t a g e l e v e l o f t h e s e p i n s m a y b e u n s t a b l e a n d t h e p o w e r s u p p l y
c u r r e n t m a y i n c r e a s e f o r t h e t i m e t h e p o r t s r e m a i n i n p u t m o d e .
T h e c o n t e n t o f t h e d i r e c t i o n r e g i s t e r s m a y c h a n g e d u e t o n o i s e o r r u n a w a y c a u s e d b y n o i s e . I n o r d e r t o
e n h a n c e p r o g r a m r e l i a b i l i t y , s e t t h e d i r e c t i o n r e g i s t e r s p e r i o d i c a l l y b y a p r o g r a m .
p o s s i b l e .
3
S S
C C
, P 3
, V
P i n n a m e
7
R E F
, P 4
6
, P 4
5
7
0
t o
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• A f t e r s e t t i n g f o r i n p u t m o d e , c o n n e c t e v e r y p i n t o V
o r c o n n e c t e v e r y p i n t o V
• S e t t o o u t p u t m o d e a n d l e a v e t h e s e p i n s o p e n
C o n n e c t t o V
C o n n e c t t o V
Connect to V
Port P0, P1,
P3
0
to P3
Microcomputer
3
, P3
C C
S S
CC
7
, P4
via resistor (pull-up)
5
(Output mode)
Port P4
C C
(Input mode)
(Input mode)
AV
v i a a r e s i s t o r ( p u l l - u p )
CC
:
:
6
/V
AV
, P4
REF
C o n n e c t i o n
SS
(2)
7
Open
:
:
(1 , 2 )
S S
v i a a r e s i s t o r ( p u l l - d o w n )
15. Programmable I/O Ports