m37753ffchp Mitsumi Electronics, Corp., m37753ffchp Datasheet - Page 6

• Manufacturer Part Number: m37753ffchp
• Description: Single Chip 16 Bit Cmos Microcomputer Flash Memory Version
• Manufacturer: Mitsumi Electronics, Corp.

PIN DESCRIPTION (MICROCOMPUTER MODE)
Note: It is impossible to change the input level of the BYTE pin in each bus cycle. In other words, bus width cannot be switched dynamically. Fix the input
6
V
CNV
RESET
X
X
E
BYTE
(Note)
AV
AV
V
P0
P1
P2
P3
P4
P5
P6
P7
P8
CC
IN
OUT
REF
0
0
0
0
0
0
0
0
0
CC
SS
–P0
–P1
–P2
–P3
–P4
–P5
–P6
–P7
–P8
Pin
, V
SS
level of the BYTE pin to “H” or “L” according to the bus width used.
,
SS
7
7
7
3
7
7
7
7
7
Power supply
CNV
Reset input
Clock input
Clock output
Enable output
Bus width select input
Analog supply input
Reference voltage input
I/O port P0
I/O port P1
I/O port P2
I/O port P3
I/O port P4
I/O port P5
I/O port P6
I/O port P7
I/O port P8
SS
input
Name
Output
Output
Output
Input/
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
SHINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
Supply 5 V±10 % to V
This pin controls the processor mode. Connect to V
expansion mode. Connect to V
This is reset input pin. The microcomputer is reset when supplying “L” level to this
pin.
These are I/O pins of internal clock generating circuit. Connect a ceramic or quartz-
crystal resonator between X
source should be connected to the X
Data or instruction read, data write are performed when output from this pin is “L”.
This pin determines whether the external data bus is 8-bit width or 16-bit width for
memory expansion mode or microprocessor mode. The width is 16 bits when “L”
signal inputs and 8 bits when “H” signal inputs.
Power supply for the A-D converter and the D-A converter. Connect AV
and AV
This is reference voltage input pin for the A-D converter and the D-A converter.
In single-chip mode, port P0 is an 8-bit I/O port. This port has an I/O direction
register and each pin can be programmed for input or output. These ports are in the
input mode when reset. Address (A
microprocessor mode.
In single-chip mode, these pins have the same functions as port P0. When the
BYTE pin is set to “L” in memory expansion mode or microprocessor mode and
external data bus is 16-bit width, high-order data (D
output is “L” and an address (A
pin is set to “H” and an external data bus is 8-bit width, only address (A
output.
In single-chip mode, these pins have the same functions as port P0. In memory
expansion mode or microprocessor mode, low-order data (D
when E output is “L” and an address (A
In single-chip mode, these pins have the same functions as port P0. In memory
expansion mode or microprocessor mode, R/W, BHE , ALE, and HLDA signals are
output.
In single-chip mode, these pins have the same functions as port P0. In memory
expansion mode or microprocessor mode, P4
RDY input pins, and clock
same as in single-chip mode. In memory expansion mode, P4
as I/O port.
In addition to having the same functions as port P0 in single-chip mode, these pins
also function as I/O pins for timer A0, timer A1, timer A2, timer A3, output pins for
motor drive waveform, and input pins for key input interrupt.
In addition to having the same functions as port P0 in single-chip mode, these pins
also function as the I/O pin for timer A4, input pins for external interrupt input INT
INT
for motor drive wave form.
In addition to having the same functions as port P0 in single-chip mode, these pins
also function as input pins for A-D converter.
In addition to having the same functions as port P0 in single-chip mode, these pins
also function as I/O pins for UART0, UART1, output pins for D-A converter, and
input pins for INT
1
, and INT
SS
to V
2
SS
, and input pins for timer B0, timer B1, and timer B2, and output pin
3
externally.
, INT
CC
4
.
and 0 V to V
1
IN
output pin respectively. Functions of other pins are the
CC
and X
8
–A
for microprocessor mode.
15
0
OUT
–A
) is output if E output is “H”. When the BYTE
Functions
IN
SS
16
7
pin and the X
MITSUBISHI MICROCOMPUTERS
.
. When an external clock is used, the clock
) is output in memory expansion mode or
–A
23
) is output when E output is “H”.
0
, P4
SS
1
8
, and P4
for single-chip mode or memory
–D
M37753FFCHP
OUT
M37753FFCFP
15
pin should be left open.
) is input or output if E
0
2
2
–D
become HOLD and
can be programmed
7
) is input or output
CC
8
–A
to V
15
) is
CC
0
,