M38514E6SS Datasheet PDF - Renesas

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M38514E6SS
Renesas

Part Number M38514E6SS
Description SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Page 30 Pages


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3851 Group (Built-in 24 KB or more ROM)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0066-0101Z
Rev.1.01
Oct 15, 2003
DESCRIPTION
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
serial I/O functions, 8-bit timer, I2C-BUS interface, and A-D con-
verter.
FEATURES
Basic machine-language instructions ..................................... 71
Minimum instruction execution time ................................. 0.5 µs
(at 8 MHz oscillation frequency)
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)
Multi-master I2C-BUS interface .................................. 1 channel
PWM .............................................................................. 8-bit X 1
A-D converter ............................................... 10-bit X 5 channels
Watchdog timer ........................................................... 16-bit X 1
Clock generating circuit ................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
Power source voltage
In high-speed mode ................................................. 4.0 to 5.5 V
(at 8 MHz oscillation frequency)
In middle-speed mode ............................................. 2.7 to 5.5 V
(at 8 MHz oscillation frequency)
In low-speed mode ................................................... 2.7 to 5.5 V
(at 32 kHz 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
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,
Consumer electronics, etc.
PIN CONFIGURATION (TOP VIEW)
VCC
VREF
AVSS
P44/INT3/PWM
P43/INT2/SCMP2
P42/INT1
P41/INT0
P40/CNTR1
P27/CNTR0/SRDY1
P26/SCLK1
P25/SCL2/TxD
P24/SDA2/RxD
P23/SCL1
P22/SDA1
CNVSS
P21/XCIN
P20/XCOUT
RESET
XIN
XOUT
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42 P30/AN0
41 P31/AN1
40 P32/AN2
39 P33/AN3
38 P34/AN4
37 P00/SIN2
36 P01/SOUT2
35 P02/SCLK2
34 P03/SRDY2
33 P04
32 P05
31 P06
30 P07
29 P10/(LED0)
28 P11/(LED1)
27 P12/(LED2)
26 P13/(LED3)
25 P14/(LED4)
24 P15/(LED5)
23 P16/(LED6)
22 P17/(LED7)
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
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3851 Group (Built-in 24 KB or more ROM)
FUNCTIONAL BLOCK
Fig.2 Functional block diagram
Rev.1.01 Oct 15, 2003 page 2 of 89
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3851 Group (Built-in 24 KB or more ROM)
Table 1 Pin description
Pin
VCC, VSS
CNVSS
Name
Power source
CNVSS input
VREF
AVSS
RESET
XIN
Reference
voltage input
Analog power
source input
Reset input
Clock input
XOUT
Clock output
P00/SIN2
P01/SOUT2
P02/SCLK2
P03/SRDY2
P04P07
P10P17
P20/XCOUT
P21/XCIN
P22/SDA1
P23/SCL1
P24/SDA2/RxD
P25/SCL2/TxD
P26/SCLK1
P27/CNTR0/
SRDY1
I/O port P0
I/O port P1
I/O port P2
P30/AN0
P34/AN4
I/O port P3
P40/CNTR1
P41/INT0
P42/INT1
P43/INT2/SCMP2
I/O port P4
P44/INT3/PWM
Functions
Apply voltage of 2.7 V 5.5 V to Vcc, and 0 V to Vss.
This pin controls the operation mode of the chip.
Normally connected to VSS.
Reference voltage input pin for A-D converter.
Function except a port function
Analog power source input pin for A-D converter.
Connect to Vss.
Reset input pin for active L.
Input and output pins for the clock generating circuit.
Connect a ceramic resonator or quartz-crystal oscillator between the XIN and XOUT pins to set
the oscillation frequency.
When an external clock is used, connect the clock source to the XIN pin and leave the XOUT
pin open.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
Serial I/O2 function pin
CMOS compatible input level.
CMOS 3-state output structure.
P10 to P17 (8 bits) are enabled to output large current
for LED drive.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
CMOS compatible input level.
Sub-clock generating circuit I/O
pins (connect a resonator)
I2C-BUS interface function pins
P22 to P25 can be switched between CMOS compatible
input level or SMBUS input level in the I2C-BUS inter-
face function.
P20, P21, P24 to P27: CMOS3-state output structure.
P24, P25: N-channel open-drain structure in the I2C-
BUS interface function.
I2C-BUS interface function pin/
Serial I/O1 function pins
Serial I/O1 function pin
Serial I/O1 function pin/Timer X
function pin
P22, P23: N-channel open-drain structure.
8-bit CMOS I/O port with the same function as port P0. A-D converter input pin
CMOS compatible input level.
CMOS 3-state output structure.
8-bit CMOS I/O port with the same function as port P0. Timer Y function pin
CMOS compatible input level.
Interrupt input pins
CMOS 3-state output structure.
Interrupt input pin
SCMP2 output pin
Interrupt input pin
PWM output pin
Rev.1.01 Oct 15, 2003 page 3 of 89
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3851 Group (Built-in 24 KB or more ROM)
PART NUMBERING
Product name
M3851 4 M 6 XXX SP
Package type
SP : 42P4B
FP : 42P2R-A/E
SS : 42S1B-A
ROM number
Omitted in One Time PROM version shipped in blank,
EPROM version, and flash memory version.
: standard
Omitted in One Time PROM version shipped in blank, EPROM
version, and flash memory version.
ROM/PROM/Flash memory size
1 : 4096 bytes 9 : 36864 bytes
2 : 8192 bytes A : 40960 bytes
3 : 12288 bytes B : 45056 bytes
4 : 16384 bytes C : 49152 bytes
5 : 20480 bytes D : 53248 bytes
6 : 24576 bytes E : 57344 bytes
7 : 28672 bytes F : 61440 bytes
8 : 32768 bytes
The first 128 bytes and the last 2 bytes of ROM are reserved areas ; they
cannot be used as a users ROM area.
However, they can be programmed or erased in the flash memory version,
so that the users can use them.
Memory type
M : Mask ROM version
E : EPROM or One Time PROM version
F : Flash memory version
RAM size
0 : 192 bytes
1 : 256 bytes
2 : 384 bytes
3 : 512 bytes
4 : 640 bytes
5 : 768 bytes
6 : 896 bytes
7 : 1024 bytes
8 : 1536 bytes
9 : 2048 bytes
Fig. 3 Part numbering
Rev.1.01 Oct 15, 2003 page 4 of 89
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