參數(shù)資料
型號： 935196500112
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDIP28
封裝： 0.600 INCH, PLASTIC, DIP-28
文件頁數(shù)： 5/35頁
文件大?。?/td> 243K
代理商： 935196500112
1997 Apr 16
13
Philips Semiconductors
Product specication
8-bit microcontrollers with DTMF generator,
8 kbytes OTP and 128 bytes EEPROM
PCD3755A; PCD3755E;
PCD3755F
7.1
EEPROM registers
7.1.1
EEPROM CONTROL REGISTER (EPCR)
The behaviour of the EEPROM and Timer 2 section is defined by the EEPROM Control Register.
Table 10 EEPROM Control Register (address 04H, access type R/W)
Table 11 Description of EPCR bits
Table 12 Mode selection; X = don’t care
76543210
STT2
ET2I
T2F
EWP
MC3
MC2
MC1
0
BIT
MNEMONIC
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.
6
ET2I
Enable T2 interrupt. If ET2I = 0, then T2F event cannot request interrupt. If ET2I = 1,
then T2F event can request interrupt.
5
T2F
Timer 2 ag. Set when T2 underows (or by program); reset by program.
4
EWP
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.
3
MC3
Mode control 3 to 1. These three bits in conjunction with bit EWP select the mode as
shown in Table 12.
2
MC2
1
MC1
0
This bit is set to a logic 0.
EWP
MC3
MC2
MC1
DESCRIPTION
0
read byte
0
1
0
increment mode
1
0
1
X
write page
1
0
erase/write page
1
erase page
X
0
1
not allowed
X1
0
1
X1
1
0
相關(guān)PDF資料
PDF描述
935177900112 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDIP28
935196510118 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28
935177910118 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28
935196510112 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28
935247300112 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28
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