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M37754FFCGP View Datasheet(PDF) - MITSUBISHI ELECTRIC

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M37754FFCGP Datasheet PDF : 68 Pages
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MITSUBISHI MICROCOMPUTERS
M37754FFCGP
M37754FFCHP
SHINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
Flash memory mode 2 (serial I/O mode)
The M37754FFCGP and the M37754FFCHP have a function to seri-
ally input/output the software commands, addresses, and data re-
quired for operation on the internal flash memory (e. g., read,
program, and erase) using only a few pins. This is called the serial I/
O (input/output) mode. This mode can be selected by driving the
__
SDA (serial data input/output), SCLK (serial clock input ), and OE
pins high after connecting wires as shown in Figures 13, 14 and
powering on the VCC pin and then applying VPPH to the VPP pin.
In the serial I/O mode, the user can use seven types of software
commands: bank (0, 1) select, read, program, program verify, auto
erase, and error check.
Serial input/output is accomplished synchronously with the clock,
beginning from the LSB (LSB first).
P87
81
P86
82
P85
83
P84
84
P83
85
P82
86
P81
87
P80
88
VCC
VCC
89
AVCC
90
VREF
91
AVSS
92
VSS
93
P77
94
P76
95
P75
96
P74
97
P73
98
P72
99
P71
100
M37754FFCGP
50
P111
49
P112
48
P113
47
P114
46
P115
45
P116
44
P117
43
P30
42
P31
41
P32
40
P33
39
VCC
38
VSS
VSS
37
E
36
XOUT
V
35
XIN
34
RESET
33
CNVSS
VPP
32
BYTEVV
31
P40
Outline 100P6S-A
Fig. 13 Pin connection of M37754FFCGP when operating in serial I/O mode
V : Connect to the ceramic oscillation circuit.
VV : Connect the BYTE pin to Vcc or Vss.
indicates the flash memory pin.
25
 

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