參數(shù)資料
型號(hào)： M38B79MFH-XXXXFP
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁(yè)數(shù)： 103/112頁(yè)
文件大?。?/td> 1862K
代理商： M38B79MFH-XXXXFP
87
38B7 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
(2) Flash memory mode 2 (serial I/O mode)
The M38B79FF has a function to serially input/output the software
commands, addresses, and data required for operation on the in-
ternal 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/out-
__
put), SCLK (serial clock input ), and OE pins high after connecting
wires as shown in Figures 91 and powering on the VCC pin and
then applying VPPH to the VPP pin.
In the serial I/O mode, the user can use six types of software com-
mands: read, program, program verify, erase, erase verify and
error check.
Serial input/output is accomplished synchronously with the clock,
beginning from the LSB (LSB first).
Fig. 91 Pin connection of M38B79FF when operating in serial I/O mode
M38B79FFFP
*P47/FLD39
*P
0
/F
L
D
8
*P
0
3
/F
L
D
1
*P
0
4
/F
L
D
1
2
*P
0
5
/F
L
D
1
3
*P
0
6
/F
L
D
1
4
*P
0
7
/F
L
D
1
5
*P
1
/F
L
D
1
7
*P
1
2
/F
L
D
1
8
*P
1
3
/F
L
D
1
9
*P
1
4
/F
L
D
2
0
*P
1
5
/F
L
D
2
1
*P
1
6
/F
L
D
2
*P
1
7
/F
L
D
2
3
*P
1
0
/F
L
D
1
6
*P
0
1
/F
L
D
9
*P
0
2
/F
L
D
1
0
VEE
*P46/FLD38
*P
4
3
/F
L
D
3
5
*P
4
2
/F
L
D
3
4
*P
4
1
/F
L
D
3
*P
4
0
/F
L
D
3
2
*P
3
7
/F
L
D
3
1
*P
3
6
/F
L
D
3
0
*P
3
5
/F
L
D
2
9
*P
3
4
/F
L
D
2
8
*P
3
/F
L
D
2
7
*P
3
2
/F
L
D
2
6
*P
3
1
/F
L
D
2
5
*P
3
0
/F
L
D
2
4
*P
4
5
/F
L
D
3
7
*P
4
/F
L
D
3
6
PB5/SOUT1
PB4/SCLK11
PB3/SSTB1
PA6/AN6
PA7/AN7
VREF
AVSS
P
9
0
/S
IN
3
/A
N
8
P
9
1
/S
O
U
T
3
/A
N
9
P
9
2
/S
C
L
K
3
/A
N
1
0
P
9
4
/R
T
P
1
/A
N
1
2
P
9
5
/R
T
P
0
/A
N
1
3
P
9
6
/P
W
M
0
/A
N
1
4
P
9
7
/B
U
Z
0
2
/A
N
1
5
PB2/SBUSY1
P
A
1
/A
N
1
P
A
0
/A
N
0
P
8
1
/X
C
O
U
T
P
8
0
/X
C
IN
P
7
4
/P
W
M
1
P
7
3
/I
N
T
3
/D
IM
O
U
T
P
7
2
/I
N
T
2
P71/INT1
P70/INT0
P
A
5
/A
N
5
PB0/SCLK12/SVIN/DA
PB1/SRDY1
P
7
5
/T
1
O
U
T
X
IN
X
O
U
T
V
C
P
7
6
/T
3
O
U
T
V
S
P
7
/I
N
T
4/
B
U
Z
0
1
R
E
S
E
T
P
A
4
/A
N
4
P
A
3
/A
N
3
P
A
2
/A
N
2
*P20/FLD0
*P21/FLD1
*P22/FLD2
*P23/FLD3
*P24/FLD4
*P25/FLD5
*P26/FLD6
*P27/FLD7
PB6/SIN1
*P51/FLD41
*P50/FLD40
*P53/FLD43
*P52/FLD42
*P55/FLD45
*P54/FLD44
*P57/FLD47
*P56/FLD46
*P61/FLD49
*P60/FLD48
*P63/FLD51
*P62/FLD50
P65/TxD/FLD53
P64/RxD/FLD52
P67/SRDY2/SCLK22/FLD55
P66/SCLK21/FLD54
P
8
2
/C
N
T
R
1
C
N
V
S
P
8
3
/C
N
T
R
0
/C
N
T
R
2
P
9
3
/S
R
D
Y
3
/A
N
1
O
E
V
p
V
c
SDA
SCLK
BUSY
V
s
:Connect to the ceramic oscillation circuit.
: High-breakdown-voltage output port: Totaling 52
indicates the flash memory pin.
1
2
3
4
5
6
7
8
9
1
0
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
5
1
5
2
5
3
5
4
5
6
5
7
5
8
5
9
6
0
6
1
6
2
6
3
6
4
6
5
6
7
6
8
6
9
7
0
7
1
7
2
7
3
7
4
7
5
7
6
7
8
7
9
8
0
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
*
Package type: 100P6S-A
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