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參數(shù)資料
| 型號： | PCD3347 |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 14/36頁 |
| 文件大?。?/td> | 169K |
| 代理商： | PCD3347 |
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1999 Oct 28
14
Philips Semiconductors
Product specification
8-bit microcontrollers with DTMF generator
and 128 bytes EEPROM
PCA3351C; 52C; 53C;
PCD3351A; 52A; 53A
7.1
EEPROM registers
7.1.1
EEPROM C
ONTROL
R
EGISTER
(EPCR)
The behaviour of the EEPROM and Timer 2 section is defined by the EEPROM Control Register. See Tables 11, 12 and
13.
Table 11
EEPROM Control Register, EPCR (address 04H, access type R/W)
Table 12
Description of the EPCR bits
Table 13
Mode selection; X = don’t care
7
6
5
4
3
2
1
0
STT2
ET2I
T2F
EWP
MC3
MC2
MC1
0
BIT
SYMBOL
DESCRIPTION
7
STT2
Start T2. If STT2 = 0, then Timer 2 is stopped; T2 value held. If STT2 = 1, then T2
decrements from reload value.
Enable T2 interrupt. If ET2I = 0, then T2F event cannot request interrupt. If ET2I = 1,
then T2F event can request interrupt.
Timer 2 flag. Set when T2 underflows (or by program); reset by program.
Erase or write in progress (EWP). Set by program (EWP starts EEPROM erase and/or
write and Timer 2). Reset at the end of EEPROM erase and/or write.
Mode control 3 to 1. These three bits in conjunction with bit EWP select the mode as
shown in Table 13.
6
ET2I
5
4
T2F
EWP
3
2
1
0
MC3
MC2
MC1
This bit is set to a logic 0.
EWP
MC3
MC2
MC1
DESCRIPTION
0
0
1
1
1
X
X
X
0
0
0
1
1
0
1
1
0
1
1
0
1
0
0
1
0
0
X
0
1
1
1
0
read byte
increment mode
write page
erase/write page
erase page
not allowed
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCD3348 | 8-BIT MICROCONTROLLER |
| PCD3351AH | 8-BIT MICROCONTROLLER |
| PCD3351CP | 8-BIT MICROCONTROLLER |
| PCD3351CT | 8-BIT MICROCONTROLLER |
| PCD3352AH | MICROCONTROLLER|8-BIT|8048 CPU|CMOS|QFP|32PIN|PLASTIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCD3348 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| PCD3349 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with DTMF generator |
| PCD3349A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with DTMF generator |
| PCD3349AP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-BIT MICROCONTROLLER WITH DTMF GENERATOR |
| PCD3349AT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-BIT MICROCONTROLLER WITH DTMF GENERATOR |
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