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Renesas Electronics Components Datasheet

M37540RSS Datasheet

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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7540 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0011-0400
Rev.4.00
Jun 21, 2004
DESCRIPTION
The 7540 Group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 7540 Group has a serial I/O, 8-bit timers, a 16-bit timer, and
an A/D converter, and is useful for control of home electric appli-
ances and office automation equipment.
FEATURES
Basic machine-language instructions ...................................... 71
The minimum instruction execution time ......................... 0.34 µs
(at 6 MHz oscillation frequency, double-speed mode for the
shortest instruction)
Memory size ROM ............................................ 8 K to 32 K bytes
RAM ............................................. 384 to 768 bytes
Programmable I/O ports ....................... 29 (25 in 32-pin version)
Interrupts ................................................. 15 sources, 15 vectors
................................. (14 sources, 14 vectors for 32-pin version)
Timers ............................................................................. 8-bit 4
...................................................................................... 16-bit 1
Serial I/O1 ................... 8-bit 1 (UART or Clock-synchronized)
Serial I/O2 (Note 1) ..................... 8-bit 1 (Clock-synchronized)
A/D converter ............................................... 10-bit 8 channels
.................................................... (6 channels for 32-pin version)
Clock generating circuit ............................................. Built-in type
(low-power dissipation by an on-chip oscillator enabled)
(connect to external ceramic resonator or quartz-crystal oscilla-
tor permitting RC oscillation)
Watchdog timer ............................................................ 16-bit 1
Power source voltage
XIN oscillation frequency at ceramic oscillation, in double-speed mode
At 6 MHz .................................................................... 4.5 to 5.5 V
XIN oscillation frequency at ceramic oscillation, in high-speed mode
At 8 MHz .................................................................... 4.0 to 5.5 V
At 4 MHz .................................................................... 2.4 to 5.5 V
At 2 MHz .................................................................... 2.2 to 5.5 V
XIN oscillation frequency at RC oscillation in high-speed mode or
middle-speed mode
At 4 MHz .................................................................... 4.0 to 5.5 V
At 2 MHz .................................................................... 2.4 to 5.5 V
At 1 MHz .................................................................... 2.2 to 5.5 V
Power dissipation
Mask ROM version ....................................... 22.5 mW (standard)
One Time PROM version ................................ 30 mW (standard)
Operating temperature range ................................... –20 to 85 °C
(–40 to 85 °C for extended operating temperature version)
(–40 to 125 °C for extended operating temperature 125 °C ver-
sion (Note 2))
APPLICATION
Office automation equipment, factory automation equipment,
home electric appliances, consumer electronics, car, etc.
Notes 1: Serial I/O2 can be used in the following cases;
(1) Serial I/O1 is not used,
(2) Serial I/O1 is used as UART and BRG output divided by 16 is
selected as the synchronized clock.
2: In this version, the operating temperature range and total time
are limited as follows;
55 °C to 85 °C: within total 6000 hours,
85 °C to 125 °C: within total 1000 hours.
Rev.4.00 Jun 21, 2004 page 1 of 82
REJ03B0011-0400Z


Renesas Electronics Components Datasheet

M37540RSS Datasheet

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

No Preview Available !

7540 Group
PIN CONFIGURATION (TOP VIEW)
P07
P10/RXD1
P11/TXD1
P12/SCLK1/SCLK2
P13/SRDY1/SDATA2
P14/CNTR0
P20/AN0
P21/AN1
25 M37540Mx-XXXGP 16
26 M37540MxT-XXXGP 15
27 M37540MxV-XXXGP 14
28 M37540ExGP 13
29 M37540E8T-XXXGP 12
30 M37540E8V-XXXGP 11
31 10
32 9
P34(LED4)
P33(LED3)
P32(LED2)
P31(LED1)
P30(LED0)
VSS
XOUT
XIN
Fig. 1 Pin configuration (32P6U-A type)
Package type: 32P6U-A
P12/SCLK1/SCLK2
P13/SRDY1/SDATA2
P14/CNTR0
P20/AN0
P21/AN1
P22/AN2
P23/AN3
P24/AN4
P25/AN5
P26/AN6
P27/AN7
VREF
RESET
CNVSS
Vcc
XIN
XOUT
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
Fig. 2 Pin configuration (36P2R-A type)
Package type: 36P2R-A
Rev.4.00 Jun 21, 2004 page 2 of 82
REJ03B0011-0400Z
P11/TXD1
P10/RXD1
P07
P06
P05
P04
P03/TXOUT
P02/TZOUT
P01/TYOUT
P00/CNTR1
P37/INT0
P36(LED6)/INT1
P35(LED5)
P34(LED4)
P33(LED3)
P32(LED2)
P31(LED1)
P30(LED0)


Part Number M37540RSS
Description SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Maker Renesas
Total Page 30 Pages
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