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R5F21122DFP#U0

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30
Rev.1.20 Jan 27, 2006 page 2 of 25
REJ03B0068-0120
R8C/12 Group 1. Overview
Table 1.1 Performance outline
1.2 Performance Overview
Table 1.1. lists the performance outline of this MCU.
Item Performance
CPU Number of basic instructions 89 instructions
Minimum instruction execution time
62.5 ns (f(XIN) = 16 MHZ, VCC = 3.0 to 5.5 V)
100 ns (f(XIN) = 10 MHZ, VCC = 2.7 to 5.5 V)
Operating mode Single-chip
Address space 1M bytes
Memory capacity See Table 1.2 “Product List”
Peripheral Port Input/Output: 22 (including LED drive port), Input: 2
function LED drive port I/O port: 8
Timer Timer X: 8 bits x 1 channel, Timer Y: 8 bits x 1 channel,
Timer Z: 8 bits x 1 channel
(Each timer equipped with 8-bit prescaler)
Timer C: 16 bits x 1 channel
(Input capture circuit)
Serial Interface •1 channel
Clock synchronous, UART
•1 channel
UART
A/D converter 10-bit A/D converter: 1 circuit, 8 channels
Watchdog timer 15 bits x 1 (with prescaler)
Reset start function selectable
Interrupt Internal: 9 factors, External: 5 factors,
Software: 4 factors, Priority level: 7 levels
Clock generation circuit 2 circuits
•Main clock generation circuit (Equipped with a built-in
feedback resistor)
•On-chip oscillator
Oscillation stop detection function
Main clock oscillation stop detection function
Electrical Supply voltage VCC = 3.0 to 5.5 V (f(XIN) = 16 MHZ)
characteristics
VCC = 2.7 to 5.5 V (f(XIN) = 10 MHZ)
Power consumption Typ.8mA (VCC = 5.0 V (f(XIN) = 16 MHZ)
Typ.5mA (VCC = 3.0 V, (f(XIN) = 10 MHZ)
Typ.35µA (VCC = 3.0 V, Wait mode, peripheral clock stops)
Typ.0.7µA (VCC = 3.0 V, Stop mode)
Flash memory Program/erase supply voltage
VCC = 2.7 to 5.5 V
Program/erase endurance 10,000 times (Data flash)
1,000 times (Program ROM)
Operating ambient temperature -20 to 85 °C
-40 to 85 °C (D-version)
Package 32-pin plastic mold LQFP
Rev.1.20 Jan 27, 2006 page 3 of 25
REJ03B0068-0120
R8C/12 Group 1. Overview
1.3 Block Diagram
Figure 1.1. shows this MCU block diagram.
Figure 1.1 Block Diagram
T
i
m
e
r
X
(
8
b
i
t
s
)
T
i
m
e
r
Y
(
8
b
i
t
s
)
T
i
m
e
r
Z
(
8
b
i
t
s
)
T
i
m
e
r
C
(
1
6
b
i
t
s
)
Watchdog timer
(15 bits)
M
e
m
o
r
y
R8C/Tiny Series CPU core
I
/
O
p
o
r
t
P
o
r
t
P
0
8
Port P1
8
P
o
r
t
P
3
5
M
u
l
t
i
p
l
i
e
r
System clock generator
X
I
N
-
X
O
U
T
O
n
-
c
h
i
p
o
s
c
i
l
l
a
t
o
r
U
A
R
T
(
8
b
i
t
s
✕
1
c
h
a
n
n
e
l
)
Port P4
1 2
Pe
r
i
p
h
e
r
a
l
f
u
n
c
t
i
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n
s
U
A
R
T
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l
o
c
k
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n
c
h
r
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s
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I
/
O
(
8
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✕
1
c
h
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)
A
/
D
c
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n
v
e
r
t
e
r
(
1
0
b
i
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s
✕
8
c
h
a
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n
e
l
s
)
NOTES:
1. ROM size depends on MCU type.
2. RAM size depends on MCU type.
R0LR0H
R1H R1L
R
2
R3
A
0
A1
FB
S
B
I
S
P
USP
INTB
PC
FLG
T
i
m
e
r
ROM
RAM
(2)
(1)
Rev.1.20 Jan 27, 2006 page 4 of 25
REJ03B0068-0120
R8C/12 Group 1. Overview
P
a
c
k
a
g
e
t
y
p
e
:
F
P
:
P
L
Q
P
0
0
3
2
G
B
-
A
R
O
M
c
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:
2
:
8
K
B
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.
3
:
1
2
K
B
y
t
e
s
.
4
:
1
6
K
B
y
t
e
s
.
Memory type:
F: Flash memory version
T
y
p
e
N
o
.R 5 F 2
11
24DF
P
R
8
C
/1
2
g
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:
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–
4
0
°
C
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5
°
C
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m
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:
O
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°
C
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1.4 Product Information
Table 1.2 lists the product information.
Table 1.2 Product Information
Figure 1.2 Type No., Memory Size, and Package
RAM capacity
ROM capacity
Package type
Remarks
Type No.
As of January 2006
Flash memory version
R5F21122FP
PLQP0032GB-A
8K bytes
512 bytes
PLQP0032GB-A
12K bytes
768 bytes
PLQP0032GB-A
16K bytes
1K bytes
R5F21123FP
R5F21124FP
R5F21122DFP
PLQP0032GB-A
8K bytes
512 bytes
PLQP0032GB-A
12K bytes
768 bytes
PLQP0032GB-A
16K bytes
1K bytes
R5F21123DFP
R5F21124DFP
D version
Program ROM
Data flash
2K bytes x 2
2K bytes x 2
2K bytes x 2
2K bytes x 2
2K bytes x 2
2K bytes x 2
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30

R5F21122DFP#U0

Mfr. #:
Buy R5F21122DFP#U0
Manufacturer:
Renesas Electronics
Description:
16-bit Microcontrollers - MCU MCU 3/5V 8K I-Temp Pb-Free 32-LQFP
Lifecycle:
New from this manufacturer.
Delivery:
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