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EM78P458AP 데이터시트(PDF) 45 Page - ELAN Microelectronics Corp

부품명 EM78P458AP
상세설명  8-BIT MICRO-CONTROLLER
PDF  76 Pages
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제조업체  EMC [ELAN Microelectronics Corp]
홈페이지  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P458AP 데이터시트(HTML) 45 Page - ELAN Microelectronics Corp

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EM78P458/459
OTP ROM
Address
Name
Reset Type
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Wake-up from Pin Changed
P
P
P
P
P
P
P
P
Bit Name
-
-
-
-
-
-
-
-
Power-on
0
0
0
0
0
0
0
0
/RESET and WDT
0
0
0
0
0
0
0
0
0xA
RA
(ADDDATA)
Wake-up from Pin Changed
P
P
P
P
P
P
P
P
Bit Name
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Power-on
0
0
0
0
0
0
0
0
/RESET and WDT
0
0
0
0
0
0
0
0
0xB
RB
(TMR1L)
Wake-up from Pin Changed
P
P
P
P
P
P
P
P
Bit Name
X
X
X
X
X
X
Bit1
Bit0
Power-on
0
0
0
0
0
0
0
0
/RESET and WDT
0
0
0
0
0
0
0
0
0xC
RC
(TMR1H)
Wake-up from Pin Changed
0
0
0
0
0
0
P
P
Bit Name
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Power-on
0
0
0
0
0
0
0
0
/RESET and WDT
0
0
0
0
0
0
0
0
0xD
RD
(TMR2L)
Wake-up from Pin Changed
P
P
P
P
P
P
P
P
Bit Name
X
X
X
X
X
X
Bit1
Bit0
Power-on
0
0
0
0
0
0
0
0
/RESET and WDT
0
0
0
0
0
0
0
0
0xE
RE
(TMR2H)
Wake-up from Pin Changed
0
0
0
0
0
0
P
P
Bit Name
X
CMPIF
PWM2IF PWM1IF
ADIF
EXIF
ICIF
TCIF
Power-on
0
0
0
0
0
0
0
0
/RESET and WDT
0
0
0
0
0
0
0
0
0xF
RF
(ISR)
Wake-up from Pin Changed
0
P
P
P
P
P
P
P
Bit Name
-
-
-
-
-
-
-
-
Power-on
U
U
U
U
U
U
U
U
/RESET and WDT
P
P
P
P
P
P
P
P
0x10~0x3F
R10~R3F
Wake-up from Pin Changed
P
P
P
P
P
P
P
P
X: not used. U: unknown or don’t care.
P: previous value before reset.
t: check Table 5
4.12 Oscillator
1. Oscillator Modes
The EM78P458 and EM78P459 can be operated in four different oscillator modes, such as High
XTAL oscillator mode (HXT), Low XTAL oscillator mode (LXT), External RC oscillator mode (ERC),
and RC oscillator mode with Internal capacitor (IC). Users can select one of them by programming the
MASK Option. The up-limited operation frequency of crystal/resonator on the different VDDs is listed
in Table 11.
Table 12 The Summary of Maximum Operating Speeds
Conditions
VDD
Fxt max.(MHz)
2.3
4
3.0
8
Two clocks
5.0
20
2. Crystal Oscillator/Ceramic Resonators (XTAL)
EM78P458/459 can be driven by an external clock signal through the OSCI pin as shown in Fig. 18
This specification is subject to change without prior notice.
06.25.2004 (V1.4)
45



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