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3851_03

更新时间： 2024-02-24 02:41:11
品牌 Logo 应用领域
瑞萨 - RENESAS 计算机
页数 文件大小 规格书
91页 1146K
描述
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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3851_03 数据手册

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3851 Group (Built-in 24 KB or more ROM)  
REJ03B0066-0101Z  
Rev.1.01  
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER  
Oct 15, 2003  
DESCRIPTION  
Clock generating circuit ................................... Built-in 2 circuits  
(connect to external ceramic resonator or quartz-crystal oscillator)  
Power source voltage  
The 3851 group (built-in 24 KB or more ROM) is the 8-bit micro-  
computer based on the 740 family core technology.  
The 3851 group (built-in 24 KB or more ROM) is designed for the  
household products and office automation equipment and includes  
In high-speed mode ................................................. 4.0 to 5.5 V  
(at 8 MHz oscillation frequency)  
2
serial I/O functions, 8-bit timer, I C-BUS interface, and A-D con-  
In middle-speed mode ............................................. 2.7 to 5.5 V  
(at 8 MHz oscillation frequency)  
verter.  
In low-speed mode................................................... 2.7 to 5.5 V  
(at 32 kHz oscillation frequency)  
FEATURES  
Basic machine-language instructions ..................................... 71  
Minimum instruction execution time ................................. 0.5 µs  
(at 8 MHz oscillation frequency)  
Power dissipation  
In high-speed mode .........................................................34 mW  
(at 8 MHz oscillation frequency, at 5 V power source voltage)  
In low-speed mode  
Memory size  
ROM ................................................................ 24K to 32K bytes  
RAM....................................................................640 to 1K bytes  
Programmable input/output ports ........................................... 34  
Interrupts ................................................ 17 sources, 16 vectors  
Timers............................................................................ 8-bit X 4  
Serial I/O1 .................... 8-bit X 1(UART or Clock-synchronized)  
Serial I/O2 ................................... 8-bit X 1(Clock-synchronized)  
Except M38517F8FP/SP ................................................. 60 µW  
M38517F8FP/SP............................................................ 450 µW  
(at 32 kHz oscillation frequency, at 3 V power source voltage)  
Operating temperature range ..................................–20 to 85°C  
APPLICATION  
Office automation equipment, FA equipment, Household products,  
2
Multi-master I C-BUS interface .................................. 1 channel  
Consumer electronics, etc.  
PWM .............................................................................. 8-bit X 1  
A-D converter ...............................................10-bit X 5 channels  
Watchdog timer ........................................................... 16-bit X 1  
PIN CONFIGURATION (TOP VIEW)  
1
42  
41  
40  
39  
38  
37  
36  
P3  
P3  
P3  
P3  
P3  
0
1
2
3
4
/AN  
/AN  
/AN  
/AN  
/AN  
0
1
2
3
4
V
CC  
2
3
4
5
6
7
V
REF  
AVSS  
P4  
4
/INT  
3
/PWM  
/SCMP2  
/INT  
/INT  
/CNTR  
/SRDY1  
/SCLK1  
/TxD  
P4  
3
/INT  
2
P4  
P4  
2
1
0
1
P0  
P0  
P0  
P0  
P0  
P0  
P0  
P0  
P1  
P1  
P1  
P1  
P1  
P1  
P1  
P1  
0/SIN2  
1
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
/SOUT2  
/SCLK2  
/SRDY2  
P4  
0
8
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
P2  
7
/CNTR  
0
9
P2  
/SCL  
6
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
P2  
P2  
5
2
4
/SDA  
P2 /SCL  
P2  
2
/RxD  
3
1
1
2
/SDA  
/(LED  
/(LED  
/(LED  
/(LED  
/(LED  
/(LED  
/(LED  
/(LED  
0
1
2
3
4
5
6
7
)
)
)
)
)
)
)
)
CNVSS  
P2 /XCIN  
P2 /XCOUT  
1
0
RESET  
X
IN  
OUT  
SS  
X
V
Package type : FP ........................... 42P2R-A/E (42-pin plastic-molded SSOP)  
Package type : SP ........................... 42P4B (42-pin plastic-molded SDIP)  
Fig. 1 M38517M8-XXXFP/SP pin configuration  
Rev.1.01 Oct 15, 2003 page 1 of 89  
1234567...91

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