參數(shù)資料
型號(hào)： 7544
英文描述： 3.3V LDO POSITVE VOLTAGE REGULATOR 2% TOL.
中文描述： 7544Group數(shù)據(jù)表數(shù)據(jù)表503K/JUN.25.03
文件頁數(shù)： 40/54頁
文件大小： 503K
代理商： 7544
Rev.1.02 2003.06.25 page 40 of 53
7544 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
PROM Mode
M37544G2SP/GP (referred to as
“
the MCU
”
) has a PROM Mode
as well as the normal operation mode. PROM Mode enables an
external device (referred to as
“
Programmer
”
) to read and pro-
gram the built-in EPROM via a minimum number of serial I/O pins
by sending commands to control the MCU.
To enable PROM Mode, use the pin connection shown in Figure
47 to 48 and apply power (V
CC
). Then execute the new OTP en-
try operation, called
“
Mad Dog Entry
”
.
There are three operation modes in PROM Mode : Read, Program
and Program-Verify. Three commands are defined to enable each
mode respectively.
The format of the serial I/O is : clock synchronous and LSB-data-
first.
P1
2
/S
CLK
P1
3
/S
RDY
P1
4
/CNTR
0
P2
0
/AN
0
P2
1
/AN
1
P2
2
/AN
2
P2
3
/AN
3
P2
4
/AN
4
P2
5
/AN
5
M
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
REF
CNV
SS
V
CC
X
IN
X
OUT
V
SS
RESET
P1
1
/T
X
D
P1
0
/R
X
D
P0
7
(LED
7
)
P0
6
(LED
6
)
P0
5
(LED
5
)
P0
4
(LED
4
)
P0
3
(LED
3
)/TX
OUT
P0
2
(LED
2
)
P0
1
(LED
1
)
P0
0
(LED
0
)/CNTR
1
P3
7
(LED
13
)/INT
0
P3
4
(LED
12
)/INT
1
P3
3
(LED
11
)
P3
2
(LED
10
)
P3
1
(LED
9
)
P3
0
(LED
8
)
ESCLK
RESETB
VPP
VCC
XIN
XOUT
VSS
ESDA
ESPGMB
Fig. 47
“
Mad Dog Entry
”
Pin Diagram (32P4B)
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
754-4.47M 制造商:OSCILENT 制造商全稱:Oscilent Corporation 功能描述:Ceramic Trap Double/Triple Peak
754-4.6M 制造商:OSCILENT 制造商全稱:Oscilent Corporation 功能描述:Ceramic Trap Double/Triple Peak
754-4007-0 制造商:ROCK 功能描述:
75-440-6 制造商:ATM 制造商全稱:ATM 功能描述:STANDARD GAIN HORN
75-440-X 制造商:ATM 制造商全稱:ATM 功能描述:HORN MOUNT APPLICATIONS
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