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Renesas Electronics Components Datasheet

M37643M8 Datasheet

Single-Chip 8-Bit CMOS Microconputer

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7643 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0054-0100Z
Rev.1.00
Jul 30, 2003
DESCRIPTION
The 7643 group is the 8-bit microcomputer based on the 7600 series
core (740 family core compatible) technology.
The 7643 group is designed for PC peripheral devices, including the
USB, DMAC, Serial I/O, UART, Timer and so on.
FEATURES
<Microcomputer mode)
Basic machine-language instructions ....................................... 71
Minimum instruction execution time ..................................... 83 ns
(at 24 MHz oscillation frequency)
Memory size
ROM ............................................................................. 32 Kbytes
RAM ................................................................................ 1 Kbytes
Programmable input/output ports ............................................. 66
Software pull-up resistors .................................................. Built-in
Interrupts ................................................... 14 sources, 14 vectors
(external 3 including Key input, internal 10, software 1)
USB function control unit
Transceiver ............................... Full-Speed USB2.0 specification
Timers .................................................... 8-bit 3 (Timers 1, 2, 3)
Serial I/O ......................................................................... 8-bit 1
UART .............................................................................. 8-bit 1
DMAC .......................................................................... 2 channels
Clock generating circuit ..................................................... Built-in
(connect to external ceramic resonator or quartz-crystal oscillator)
Power source voltage
At 24 MHz oscillation frequency, φ = 12 MHz ......... 4.15 to 5.25 V
At 24 MHz oscillation frequency, φ = 6 MHz ........... 3.00 to 3.60 V
Operating temperature range .................................... –20 to 70°C
Packages
FP ............................................................. 80P6N-A (80-pin QFP)
HP ........................................................... 80P6Q-A (80-pin LQFP)
<Flash memory mode>
Power source voltage
At 24 MHz oscillation frequency, φ = 12 MHz ......... 4.15 to 5.25 V
At 24 MHz oscillation frequency, φ = 6 MHz ........... 3.00 to 3.60 V
Program/Erase voltage
.................................. VCC = 4.50 V to 5.25 V, or 3.00 V to 3.60 V
.................................................................. VPP = 4.50 V to 5.25 V
At 24 MHz oscillation frequency, φ = 6 MHz (See Table 20.)
Memory size
Flash ROM .................................................................... 32 Kbytes
RAM ............................................................................. 2.5 Kbytes
Flash memory mode ....................................................... 3 modes
Parallel I/O mode
Standard serial I/O mode
CPU rewrite mode
Programming method ....................... Programming in unit of byte
Erasing method
Batch erasing
Block erasing
Program/Erase control by software command
Command number ................................................... 6 commands
Number of times for programming/erasing ............................. 100
ROM code protection
Available in parallel I/O mode and standard serial I/O mode
Operating temperature range (at programming/erasing) ..............
...................................................................... Normal temperature
APPLICATION
Audio, musical instrument, printer, scanner, modem, other PC pe-
ripheral devices
Notes
1. The specifications of this product are subject to change be-
cause it is under development. Inquire the use of Renesas
Technology Corporation.
2. The flash memory version cannot be used for application em-
bedded in the MCU card.
Rev.1.00 Jul 30, 2003 page 1 of 119


Renesas Electronics Components Datasheet

M37643M8 Datasheet

Single-Chip 8-Bit CMOS Microconputer

No Preview Available !

7643 Group
PIN CONFIGURATION (TOP VIEW)
P74
P73/HLDA
P72
P71/HOLD
P70
USB D+
USB D-
Ext.Cap
VSS
VCC
P67
P66
P65
P64
P63
P62
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
M37643M8-XXXFP
M37643F8FP
40 P30/RDY
39 P31
38 P32
37 P33/DMAOUT
36 P34/φ OUT
35 P35/SYNCOUT
34 P36/WR
33 P37/RD
32 P80/SRDY
31 P81/SCLK
30 P82/SRXD
29 P83/STXD
28 P84/UTXD
27 P85/URXD
26 P86/CTS
25 P87/RTS
Package type : 80P6N-A
Fig. 1 M37643M8-XXXFP, M37643F8FP pin configuration
P21/DB1
P20/DB0
P74
P73/HLDA
P72
P71/HOLD
P70
USB D+
USB D-
Ext.Cap
VSS
VCC
P67
P66
P65
P64
P63
P62
P61
P60
61
62
63
64
65
66
67
68
69 M37643M8-XXXHP
70
71 M37643F8HP
72
73
74
75
76
77
78
79
80
40 P16/AB14
39 P17/AB15
38 P30/RDY
37 P31
36 P32
35 P33/DMAOUT
34 P34/φ OUT
33 P35/SYNCOUT
32 P36/WR
31 P37/RD
30 P80/SRDY
29 P81/SCLK
28 P82/SRXD
27 P83/STXD
26 P84/UTXD
25 P85/URXD
24 P86/CTS
23 P87/RTS
22 P40/EDMA
21 P41/INT0
Package type : 80P6Q-A
Fig. 2 M37643M8-XXXHP, M37643F8HP pin configuration
Rev.1.00 Jul 30, 2003 page 2 of 119


Part Number M37643M8
Description Single-Chip 8-Bit CMOS Microconputer
Maker Renesas Technology
Total Page 30 Pages
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