參數(shù)資料
型號: M34553M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 50/147頁
文件大?。?/td> 1098K
代理商: M34553M4-XXXFP
Rev.3.02
Dec 22, 2006
page 141 of 142
REJ03B0024-0302
4553 Group
Fig. 69 Pin configuration of built-in PROM version
PIN CONFIGURATION (TOP VIEW)
37
38
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
14
13
36 35 34 33 32 31 30 29 28 27 26 25
1
2
3
4
5
6
7
8
910 11 12
RESET
XCOUT/D7
XCIN/D6
CNVSS
XOUT
XIN
VSS
VDD
C/CNTR
D5/INT
D4
D3
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
P20/SEG17
P21/SEG18
P22/SEG19
P2
3
/SEG
20
P0
0
/SEG
21
P0
1
/SEG
22
P0
2
/SEG
23
P0
3
/SEG
24
P1
0
/SEG
25
P1
1
/SEG
26
P1
2
/SEG
27
P1
3
/SEG
28
D
0
D
1
D
2
SEG
7
SEG
6
SEG
5
SEG
4
SEG
3
SEG
2
/V
LC1
SEG
1
/V
LC2
SEG
0
/V
LC3
COM
3
COM
2
COM
1
COM
0
M34553G8FP
M34553G8HFP
SCLK
VDD
VSS
XIN
XOUT
VPP
PGM
VDD
RESET
SDA
ROM CODE ACCESS PROTECTION
We would like to support a simple ROM code protection function
that prevents a party other than the ROM-code owner to read and
reprogram the built-in PROM code of the MCU.
First, Programmers must check the ID-code of the MCU.
If the ID-code is not blank, Programmer verifies it with the input ID-
code. When the ID-codes do not match, Programmer will reject all
further operations.
The MCU has each 10 bits of dedicated ROM spaces in address
009016 to 009616, as an ID-code (referred to as “the ID-code”) en-
abling a Programmer to verify with the input ID-code and validate
further operations.
Fig. 70 ROM-Code Protection ID Location
ID7
ID6
ID5
ID4
ID3
ID2
ID1
009716
009616
009516
009416
009316
009216
009116
009016
Address
相關(guān)PDF資料
PDF描述
M34553M8H-XXXFP 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP48
M34554MC-XXXFP 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64
M34554EDFP 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP64
M3455AG8-XXXFP 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP52
M3455AGCFP 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP52
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M34553M8H-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
M34553M8-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
M34553MXH-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
M34553MX-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
M34553T-PTCA 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:50-pin Narrow-Pitch Connector Converter Board for M34552T2-CPE(for 4553, 4556 Group)