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PDF EM78F652N Data sheet ( Hoja de datos )
| Número de pieza | EM78F652N | |
| Descripción | 8-Bit Microcontroller | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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EM78F652N
8-Bit
Microcontroller
Product
Specification
DOC. VERSION 1.3
ELAN MICROELECTRONICS CORP.
October 2007
www.DataSheet4U.com
1 page  
Contents
6.10 Timer/Counter 2..............................................................................................56
6.11 Timer/Counter 3..............................................................................................58
6.12 One Set of 2 Orders OP Amplifier ...................................................................59
6.13 SPI..................................................................................................................60
6.13.1 Overview & Features..................................................................................... 60
6.13.2 SPI Function Description............................................................................... 62
6.13.3 SPI Signal & Pin Description ......................................................................... 64
6.13.4 Program the Related Registers ..................................................................... 65
6.13.5 SPI Mode Timing........................................................................................... 68
6.13.6 SPI Software Application ............................................................................... 69
6.14 Oscillator.........................................................................................................73
6.14.1 Oscillator Modes ........................................................................................... 73
6.14.2 Crystal Oscillator/Ceramic Resonators (Crystal) ............................................ 74
6.14.3 External RC Oscillator Mode ......................................................................... 75
6.14.4 Internal RC Oscillator Mode .......................................................................... 76
6.15 Code Option Register .....................................................................................78
6.15.1 Code Option Register (Word 0) ..................................................................... 78
6.15.2 Code Option Register (Word 1) ..................................................................... 79
6.15.3 Customer ID Register (Word 2) ..................................................................... 80
6.16 Power-on Considerations................................................................................81
6.17 External Power-on Reset Circuit .....................................................................81
6.18 Residue-Voltage Protection.............................................................................82
6.19 Instruction Set.................................................................................................83
7 Timing Diagrams ................................................................................................... 86
8 Absolute Maximum Ratings.................................................................................. 87
9 DC Electrical Characteristic.................................................................................. 87
9.1 OP Amplifier Electrical Characteristic..............................................................90
9.1.1 Absolute Maximum Rating............................................................................. 90
9.1.2 Operational Amplifier..................................................................................... 90
9.1.3 Programmable Gain Amplifier........................................................................ 91
10 AC Electrical Characteristic.................................................................................. 91
APPENDIX
A Package Type......................................................................................................... 92
B ICE 652N Output Pin Assignment (JP 3) .............................................................. 93
www.DataCSheetE4UM.c7o8mF652N Program Pin: ..................................................................................... 93
D Quality Assurance and Reliability ........................................................................ 94
D.1 Address Trap Detect .......................................................................................94
Product Specification (V1.3) 10.22.2007
•v
5 Page 
EM78F652N
8-Bit Microcontroller
Table 3 EM78F652NCP, EM78F652NCM
Symbol Pin No.
P50~P51 15, 16
P52~P53 1, 2
P54~P55 13, 14
P60~P62 6~8
P70~P72 11~9
P77 3
OSCI
OSCO
TCC
/RESET
VDD
VSS
14
13
3
4
12
5
Type
I/O
I/O
I/O
I
I/O
I
I
−
−
Function
Bidirectional 6-bit input/output pins
P50~P53 can be used as pull-down pins.
P50 can be used as external reference voltage for ADC
P51 can be used as SPI serial data output.
P52 can be used as SPI serial data input.
P53 can be used as SPI serial clock input/output
Bidirectional 3-bit input/output pins. These can be pulled-high,
pulled down or can be open drain by software programming.
These can also be used as 3-channel 12-bit resolution A/D
converter.
P60 can be used as external interrupt.
P70 ~P72, P77 are bidirectional I/O ports.
P70 can be used as OP Amplifier Output.
P71 can be used as OP Amplifier non-inverting input.
P72 can be used as OP Amplifier inverting input.
P77 is an open drain I/O.
P70~P72 can be used as pull-high or pull-down pins.
External clock crystal resonator RC oscillator input pin.
Clock output from internal oscillator.
Real time clock/counter, Schmitt Trigger input pin. Must be tied
to VDD or VSS if not in use.
Schmitt Trigger Input pin. If this pin remains at logic low, the
controller will be reset.
Power supply
Ground
www.DataSheet4U.com
Product Specification (V1.3) 10.22.2007
(This specification is subject to change without further notice)
•5
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