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PDF M37735S4BFP Data sheet ( Hoja de datos )
| Número de pieza | M37735S4BFP | |
| Descripción | 16-BIT CMOS MICROCOMPUTER | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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PRELIMINARYNSootimcee: pTahriasmisentroict alimfinitsalasrpeescuifbicjeactitotno. change.
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
DESCRIPTION
The M37735S4BFP is a microcomputer using the 7700 Family core.
This microcomputer has a CPU and a bus interface unit. The CPU is
a 16-bit parallel processor that can be an 8-bit parallel processor,
and the bus interface unit enhances the memory access efficiency to
execute instructions fast. This microcomputer also includes a 32 kHz
oscillation circuit, in addition to the RAM, multiple-function timers,
serial I/O, A-D converter, and so on.
FEATURES
qNumber of basic instructions .................................................. 103
qMemory size RAM ................................................ 2048 bytes
qInstruction execution time
The fastest instruction at 25 MHz frequency ...................... 160 ns
qSingle power supply ...................................................... 5 V ± 10%
qLow power dissipation (at 25 MHz frequency)
............................................ 47.5 mW (Typ.)
qInterrupts ............................................................ 19 types, 7 levels
qMultiple-function 16-bit timer ................................................. 5 + 3
qSerial I/O (UART or clock synchronous)..........................................3
q10-bit A-D converter ..............................................8-channel inputs
q12-bit watchdog timer
qProgrammable input/output
(ports P4, P5, P6, P7, P8) ..............................................................37
qClock generating circuit ........................................ 2 circuits built-in
APPLICATION
Control devices for general commercial equipment such as office
automation, office equipment, and so on.
Control devices for general industrial equipment such as
communication equipment, and so on.
PIN CONFIGURATION (TOP VIEW)
P83/TXD0
P82/RXD0/CLKS0
P81/CLK0
P80/CTS0/RTS0/CLKS1
VCC
AVCC
VREF
AVSS
VSS
P77/AN7/XcIN
P76/AN6/XcOUT
P75/AN5/ADTRG/TXD2
P74/AN4/RXD2
P73/AN3/CLK2
P72/AN2/CTS2
P71/AN1
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
M37735S4BFP
40 P24/A4/D4
39 P25/A5/D5
38 P26/A6/D6
37 P27/A7/D7
36 P30/WEL
35 P31/WEH
34 P32/ALE
33 P33/HLDA
32 Vss
31 RDE
30 XOUT
29 XIN
28 RESET
27 CNVSS
26 BYTE
25 HOLD
Outline 80P6N-A
1 page  
PRELIMINARYNSootimcee: pTahriasmisentroict alimfinitsalasrpeescuifbicjeactitotno. change.
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
BASIC FUNCTION BLOCKS
The M37735S4BFP has the same functions as the
M37735MHBXXXFP except for the following:
(1) The memory map is different.
(2) The processor mode is different.
(3) The reset circuit is different.
(4) Pulse output port mode of timer A is available.
(5) The function of ROM area modification is not available.
Refer to the section on the M37735MHBXXXFP, except for above
(1)–(5).
MEMORY
The memory map is shown in Figure 1. The address space has a
capacity of 16 Mbytes and is allocated to addresses from 016 to
FFFFFF16. The address space is divided by 64-Kbyte unit called bank.
The banks are numbered from 016 to FF16.
However, banks 1016–FF16 of the M37735S4BFP cannot be
accessed.
Built-in RAM and control registers for internal peripheral devices are
assigned to bank 016.
Addresses FFD616 to FFFF16 are the RESET and interrupt vector
addresses and contain the interrupt vectors. Use ROM for memory
of this address.
The 2048-byte area allocated to addresses from 8016 to 87F16 is the
built-in RAM. In addition to storing data, the RAM is used as stack
during a subroutine call or interrupts.
Peripheral devices such as I/O ports, A-D converter, serial I/O, timer,
and interrupt control registers are allocated to addresses from 016 to
7F16.
A 256-byte direct page area can be allocated anywhere in bank 016
by using the direct page register (DPR). In the direct page addressing
mode, the memory in the direct page area can be accessed with two
words. Hence program steps can be reduced.
Bank 016
Bank 116
00000016
00FFFF16
01000016
01FFFF16
00000016
00007F16
00008016
Internal RAM
2048 bytes
00087F16
Bank FE16
FE000016
Bank FF16
FEFFFF16
FF000016
FFFFFF16
00FFD616
00FFFF16
Fig. 1 Memory map
: Internal
: External
Note. Banks 1016–FF16 cannot be accessed in the M37735S4BFP.
00000016
Internal peripheral
devices
control registers
refer to Fig. 2 for
detail information
00007F16
Interrupt vector table
00FFD616 A-D/UART2 trans./rece.
UART1 transmission
UART1 receive
UART0 transmission
UART0 receive
Timer B2
Timer B1
Timer B0
Timer A4
Timer A3
Timer A2
Timer A1
Timer A0
INT2/Key input
INT1
INT0
Watchdog timer
DBC
BRK instruction
00FFFE16
Zero divide
RESET
5
5 Page 
PRELIMINARYNSootimcee: pTahriasmisentroict alimfinitsalasrpeescuifbicjeactitotno. change.
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
PM1
PM0
Mode
Pin
RDE
CS0 to CS4
RSMP, A16, A17
P10/A8/D8
to
P17/A15/D15
BYTE = “L”
BYTE = “H”
P20/A0/D0
to
P27/A7/D7
BYTE = “L”
BYTE = “H”
1
0
Microprocessor mode
RDE
RDE, WEL, WEH
P00/CS0
to
P04/CS4
P05/RSMP
P06/A16
P07/A17
CS0 — CS4
RSMP
Address A16, A17
RDE, WEL, WEH
P10/A8/D8 A8 to A15
to
P17/A15 /D15
Address
Data(odd)
(Note)
RDE, WEL, WEH
P10/A8/D8
to
P17/A15/D15
RDE, WEL, WEH
P20/A0/D0
to
P27/A7/D7
RDE, WEL, WEH
P20/A0/D0
to
P27/A7/D7
Address A8 – A15
A0 to A7
Address Data(even)
A0 to A7
Address Data
(odd,even)
P30/WEL,
P31/WEH,
P32/ALE,
P33/HLDA
P30/WEL
P31/WEH
P32/ALE
P33/HLDA
WEL
WEH
ALE
HLDA
(Note)
(Note)
RDE, WEL, WEH
HOLD,
RDY,
P42/ 1,
Ports P43 to P47
HOLD
RDY
P42/ 1
P43
to
P47
HOLD
RDY
I/O Port
___
Fig. 9 Functions of pins P00/CS0 to P47 in microprocessor mode
(Note)
Note. The signal output disable selection bit (bit 6 of the oscillation circuit control register 0) can stop the 1 output in the microprocessor
___ ___ ___
mode. In this mode, signals RDE, WEL, WEH can also be fixed to “H” when the internal memory area is accessed.
11
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