參數(shù)資料
型號(hào): M37544
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù): 45/68頁(yè)
文件大?。?/td> 579K
代理商: M37544
7544 Group
Rev.1.04 2004.06.08 page 45 of 66
REJ03B0012-0104Z
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
60 to 61 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. 60 “Mad Dog Entry” Pin Diagram (32P4B)
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M37544G2HP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER