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PDF EM78M612 Data sheet ( Hoja de datos )
| Número de pieza | EM78M612 | |
| Descripción | Universal Serial Bus Microcontroller | |
| Fabricantes | Elan Microelectronics | |
| Logotipo |  |
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EM78M612
Universal Serial Bus Microcontroller Series
EM78M612
Universal Serial Bus Microcontroller
V1.1
Version
1.0
1.1
Specification Revision History
Content
• Initial Version
• Correction for some text in General Description－P2,rom size 12K→2K
• Correction for Pin Configuration of EM78M612XBP－P5
• ADC Converter Channel Selector Table fixed－P16,CH1 Reserved
• Added PDA Register Description－P20,IOC9
• Correction for EEPROM Function Description－P24
• Changes made to PDA Function Description－P29-32
• Revised ADC Converter ready bit for ADC Operation－P17,P34,RAS[7]
Update
2003/03/05
2004/04/28
This specification may change without further notice.
2004/4/28 V1.1
1
1 page  
EM78M612
Universal Serial Bus Microcontroller Series
4 Applications
This microcontroller is designed for USB low speed device application or non-USB
embedded device. It is also suitable for PS/2 mouse application.
5 Pin Configuration
P61 1●
P62 2
16 P60/VPP
15 P64
P63 3
14 P65
P70 4
13 P71
VSS
VNN
V3.3V
OSCI
5
6
7
8
12 D+/P50
11 D-/P51
10 VDD
9 OSCO
◆EM78M612XAP
P60/VPP
P61
P62
P63
P70
VSS
VNN
V3.3V
OSCI
1●
2
3
4
5
6
7
8
9
18 P64
17 P65
16 P66
15 P67
14 P71
13 D+/P50
12 D-/P51
11 VDD
10 OSCO
◆EM78M612XBP
P60/VPP
P61
P62
P63
P70
P72
VSS
VNN
V3.3V
OSCI
1●
2
3
4
5
6
7
8
9
10
20 P64
19 P65
18 P66
17 P67
16 P71
15 P73
14 D+/P50
13 D-/P51
12 VDD
11 OSCO
◆EM78M612XCP
P60/VPP
P61
P62
P63
P70
P72
P74
P76
VSS
VNN
V3.3V
OSCI
1●
2
3
4
5
6
7
8
9
10
11
12
24 P64
23 P65
22 P66
21 P67
20 P71
19 P73
18 P75
17 P77
16 D+/P50
15 D-/P51
14 VDD
13 OSCO
◆EM78M612XDP
This specification may change without further notice.
2004/4/28 V1.1
5
5 Page 
EM78M612
Universal Serial Bus Microcontroller Series
R3 (Status Register) Default Value:(0B_0001_1000)
7
SPRBS
6
-
5 432 1 0
PS0 T P Z DC C
R3 [0] Carry flag.
R3 [1] Auxiliary carry flag.
R3 [2] Zero flag. It will be set to 1 when the result of an arithmetic or logic operation is
zero.
R3 [3]
Power down flag. It will be set to 1 during Power-on phase or by “WDTC” command
and cleared when the MCU enters into Power down mode. It remains in its previous
state after WatchDog Reset.
1: Power-on.
0: Power down
R3 [4]
Time-out flag. It will be set to 1 during Power-on phase or by “WDTC” command. It
is reset to 0 by WDT time-out.
1: WatchDog timer without overflow.
0: WatchDog timer with overflow.
The various states of Power down flag and Time-out flag at different conditions are shown
below:
TP
Condition
1 1 Power-on reset
1 1 WDTC instruction
0 *P WDT time-out
1 0 Power down mode
1 0 Wakeup caused by port change during Power down mode
*P: Previous status before WDT reset
R3 [5] Page selection bit. This bit is used to select a page of program memory (refer to R2,
Program Counter).
PS0 Program Memory Page [Address]
0 Page 0 [0000-03FF]
1 Page 1 [0400-07FF]
R3 [6] General purpose registers.
R3 [7]
Special purpose registers bank selector.
1: R8S ~ RFS; IOC8S ~ IOCFS
0: R5 ~ RF; IOC5 ~ IOCF
This specification may change without further notice.
2004/4/28 V1.1
11
11 Page | ||
| Páginas | Total 38 Páginas | |
| PDF Descargar | [ Datasheet EM78M612.PDF ] | |
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