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1.
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“Standard”:
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
(Note 1) “Renesas Electronics” as used in this document means Renesas Electronics Corporation and also includes its majority-
owned subsidiaries.
(Note 2) “Renesas Electronics product(s)” means any product developed or manufactured by or for Renesas Electronics.
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,
R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group
RENESAS MCU
REJ03B0243-0030
Rev.0.30
Jan 21, 2009
1.
1.1
Overview
Features
The R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group, R8C/L35B Group, R8C/L36B
Group, R8C/L38B Group, and R8C/L3AB Group of single-chip MCUs incorporate the R8C CPU core, which
implements a powerful instruction set for a high level of efficiency and supports a 1 Mbyte address space, allowing
execution of instructions at high speed. In addition, the CPU core integrates a multiplier for high-speed operation
processing.
Power consumption is low, and the supported operating modes allow additional power control. These MCUs are
designed to maximize EMI/EMS performance.
Integration of many peripheral functions, including multifunction timer and serial interface, helps reduce the
number of system components.
The R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, and R8C/L3AA Group have data flash (1 KB × 4
blocks) with the background operation (BGO) function.
1.1.1
Applications
Household appliances, office equipment, audio equipment, consumer products, etc.
REJ03B0243-0030 Rev.0.30
Page 1 of 76
Jan 21, 2009
Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,
R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group
1. Overview
1.1.2
Differences between Groups
Tables 1.1 and 1.2 list the differences between the groups, Table 1.3 lists the I/O ports provided for each group,
and Table 1.4 lists the LCD Display Function Pins Provided for Each Group. Figures 1.13 to 1.17 show the pin
assignment for each group, and Tables 1.8 to 1.15 list product information.
The explanations in the chapters which follow apply to the R8C/L3AA Group only. Note the differences shown
below.
Table 1.1
Item
Data
flash
Differences between Groups (1)
Function
R8C/L35A Group, R8C/L36A Group R8C/L35B Group, R8C/L36B Group
R8C/L38A Group, R8C/L3AA Group R8C/L38B Group, R8C/L3AB Group
Provided
Not provided
1 KB × 4 blocks with BGO
(background operation) function
Table 1.2
Item
I/O Ports
Interrupts
Timers
Differences between Groups (2)
Function
Programmable I/O ports
High current drive ports
INT interrupt pins
Key input interrupt pins
Timer RA pins
(I/O: 1, output: 1)
Timer RB pin (output: 1)
Timer RD pin (I/O: 8)
Timer RE pin (output: 1)
Timer RG pin
(I/O: 2, output: 2)
R8C/L35A Group
R8C/L35B Group
41 pins
5 pins
5 pins
4 pins
1 pin
(I/O pin only)
None
None
None
None
10 pins
3 pins
(VL1, VL2, VL4)
Max. 4 pins
Max. 24 pins
Not supported
52-pin LQFP
R8C/L36A Group
R8C/L36B Group
52 pins
8 pins
8 pins
4 pins
2 pins
1 pin
None
1 pin
None
10 pins
4 pins
(VL1 to VL4)
Max. 8 pins
Max. 32 pins
Not supported
64-pin LQFP
R8C/L38A Group
R8C/L38B Group
68 pins
8 pins
8 pins
8 pins
2 pins
1 pin
8 pins
1 pin
None
16 pins
4 pins
(VL1 to VL4)
Max. 8 pins
Max. 48 pins
Supported
80-pin LQFP
R8C/L3AA Group
R8C/L3AB Group
88 pins
16 pins
8 pins
8 pins
2 pins
1 pin
8 pins
1 pin
4 pins
20 pins
4 pins
(VL1 to VL4)
Max. 8 pins
Max. 56 pins
Supported
100-pin LQFP/
100-pin QFP
A/D Converter
LCD Drive
Control Circuit
Analog input pin
LCD power supply
Common output pins
Segment output pins
Other Pin
Function
Packages
WKUP1
Note:
1. I/O ports are shared with I/O functions, such as interrupts or timers.
Refer to Tables 1.16 to 1.18, Pin Name Information by Pin Number, for details.
REJ03B0243-0030 Rev.0.30
Page 2 of 76
Jan 21, 2009
Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,
R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group
1. Overview
Table 1.3
Programmable
I/O Port
Programmable I/O Ports Provided for Each Group
R8C/L35A Group
R8C/L35B Group
Total: 41 I/O pins
bit
7
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
bit
7
R8C/L36A Group
R8C/L36B Group
Total: 52 I/O pins
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
bit
7
R8C/L38A Group
R8C/L38B Group
Total: 68 I/O pins
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
bit
7
R8C/L3AA Group
R8C/L3AB Group
Total: 88 I/O pins
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
P0
P1
P2
P3
P4
P5
P6
P7
P10
P11
P12
P13
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
Notes:
1. The symbol “ ” indicates a programmable I/O port.
2. The symbol “-” indicates the settings should be made as follows:
- Set 1 to the corresponding PDi (i = 0 to 7 and 10 to 13) register. When read, the content is 1.
- Set 0 to the corresponding Pi (i = 0 to 7 and 10 to 13) register. When read, the content is 0.
- Set 0 to the corresponding P10DRR or P11DRR register. When read, the content is 0.
Table 1.4
Shared
I/O Port
P0
P1
P2
P3
P4
P5
P6
P7
P12
−
−
−
−
LCD Display Function Pins Provided for Each Group
L35A, L35B Group
Common output: Max. 4
Segment output: Max. 24
L36A, L36B Group
Common output: Max. 8
Segment output: Max. 32
L38A, L38B Group
Common output: Max. 8
Segment output: Max. 48
L3AA, L3AB Group
Common output: Max. 8
Segment output: Max. 56
SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG
11
10
9
8
15
14
13
12
11
10
9
8
SEG SEG SEG SEG
23
22
21
20
−
−
−
−
SEG SEG SEG SEG
23
22
21
20
SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG
23
22
21
20
19
18
17
16
23
22
21
20
19
18
17
16
SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG
27
26
25
24
31
30
29
28
27
26
25
24
31
30
29
28
27
26
25
24
31
30
29
28
27
26
25
24
SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG
39
38
37
36
35
34
33
32
39
38
37
36
35
34
33
32
39
38
37
36
35
34
33
32
39
38
37
36
35
34
33
32
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
SEG SEG SEG SEG
43
42
41
40
SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG
51
50
49
48
47
46
45
44
51
50
49
48
47
46
45
44
COM COM COM COM
0
1
2
3
−
−
−
−
COM COM COM COM SEG SEG SEG SEG COM COM COM COM SEG SEG SEG SEG COM COM COM COM SEG SEG SEG SEG
0
1
2
3
55
54
53
52
0
1
2
3
55
54
53
52
0
1
2
3
55
54
53
52
−
−
−
−
CL2 CL1
−
−
−
−
−
−
CL2 CL1
−
−
−
−
−
−
CL2 CL1
−
−
CL2 CL1
VL1
VL2
−
VL4
VL1
VL2
VL3
VL4
VL1
VL2
VL3
VL4
VL1
VL2
VL3
VL4
Notes:
1. The symbol “−”indicates there is no LCD display function. Select the I/O port function with registers LSE1 to LSE7 for these
pins.
2. SEG52 to SEG55 can be used as COM7 to COM4.
3. The R8C/L35A Group and R8C/L35B Group do not have the VL3 pin.
The available bias settings are 1/3 bias, 1/2 bias, or static.
REJ03B0243-0030 Rev.0.30
Page 3 of 76
Jan 21, 2009
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