參數(shù)資料
型號(hào)： P87C380
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Microcontrollers for monitors with DDC interface, auto-sync detection and sync proc(帶DDC接口，同步監(jiān)測和同步處理的監(jiān)視器微控制器)
中文描述： 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDIP42
封裝： 0.600 INCH, PLASTIC, SOT-270-1, SDIP-42
文件頁數(shù)： 67/84頁
文件大?。?/td> 420K
代理商： P87C380
1997 Dec 12
67
Philips Semiconductors
Product specification
Microcontrollers for monitors with DDC
interface, auto-sync detection and sync proc.
P83Cx80; P87C380
22 ONE TIME PROGRAMMABLE (OTP) VERSION
The OTP version P87C380 contains:
32 kbytes ROM
512 bytes RAM.
Next to the 32 kbytes ROM, another extra 384 bytes are
available. These bytes can be used for identification
purposes or to indicate the version number, etc. These
bytes are addressed via address lines A0 to A4.
Access to the OTP for program execution is done in
Normal mode. For writing and reading (Verification) of the
program memory and of the extra 384 bytes, different
control modes are used as shown in Table 67.
The signals and waveforms are given in Table 69 and
Fig.33. Pin connections to be used during Programming
and Verification are given in Table 68.
Table 67
Code for Programming/Verification of the
OTP version P87C180A
MEMORY
CODE
ROM: 32 kbytes (program memory)
Extra 384 bytes (memory)
ROM: 32 kbytes (verification)
0100000101
0100010101
0111110101
Table 68
Pin assignments during
Programming/Verification mode
PIN
CONNECT TO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
V
SS
V
SS
A13
A12
A11
A10
A9
A8
XTAL1 (note 1)
XTAL2 (note 1)
V
DD
V
SS
WE
DI5/DO5
DI6/DO6
OE
DI4/DO4
A7
A6
A5
A4
A3
Note
1.
For driving the oscillator pins see Fig.10c.
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
A2
A1
A0
RESET
V
SS
V
SS
V
SS
V
SS
V
SS
V
DD
V
SS
A14
V
PP
DI3/DO3
DI2/DO2
DI1/DO1
DI0/DO0
DI7/DO7
V
SS
V
SS
PIN
CONNECT TO
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