em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 3

• Manufacturer Part Number: em78f644nso28s
• Description: Flash Series 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

Contents
Product Specification (V1.0) 05.05.2010
1
2
3
4
5
6
General Description ...................................................................................... 1
Features ......................................................................................................... 1
2.1
Pin Assignment ............................................................................................. 3
3.1
3.2
3.3
3.4
Pin Description .............................................................................................. 5
4.1
4.2
4.3
4.4
Block Diagram ............................................................................................. 12
Functional Description................................................................................ 13
6.1
Features Selection Guide................................................................................... 2
EM78F648N / 548N Pin Assignment.................................................................. 3
EM78F644N / 544N Pin Assignment.................................................................. 4
EM78F642N / 542N Pin Assignment.................................................................. 4
EM78F641N / 541N Pin Assignment.................................................................. 5
EM78F648N / 548N Pin Description .................................................................. 5
EM78F644N / 544N Pin Description .................................................................. 8
EM78F642N / 542N Pin Description ................................................................ 10
EM78F641N / 541N Pin Description ................................................................ 11
Operational Registers for EM78F64xN/54xN ................................................... 13
6.1.1
6.1.2
6.1.3
6.1.4
6.1.5
6.1.6
6.1.7
6.1.8
6.1.9
6.1.10 Bank 0 R9 (TBLP: Table Point Register for Instruction TBRD) .........................17
6.1.11 Bank 0 RA (Wake-up Control Register) ............................................................18
6.1.12 Bank 0 RB (EEPROM Control Register) ...........................................................18
6.1.13 Bank 0 RC (256 Bytes EEPROM Address).......................................................19
6.1.14 Bank 0 RD (256 Bytes EEPROM Data) ............................................................19
6.1.15 Bank 0 RE (Mode Select Register) ...................................................................20
6.1.16 Bank 0 RF (Interrupt Status Register 1) ............................................................21
6.1.17 R10 ~ R3F .........................................................................................................22
6.1.18 Bank 1 R5 TC1CR (Timer 1 Control) ................................................................22
6.1.19 Bank 1 R6 TCR1DA (Timer 1 Data Buffer A) ....................................................24
6.1.20 Bank 1 R7 TCR1DB (Timer 1 Data Buffer B) ....................................................24
6.1.21 Bank 1 R8 TC2CR (Timer 2 Control) ................................................................25
6.1.22 Bank 1 R9 TC2DH (Timer 2 High Byte Data Buffer) .........................................29
R0 (Indirect Addressing Register) .....................................................................13
R1 (Timer Clock/Counter) .................................................................................13
R2 (Program Counter and Stack)......................................................................13
R3 (Status Register) ..........................................................................................16
R4 (RAM Select Register).................................................................................16
Bank 0 R5 (PORT5) ..........................................................................................16
Bank 0 R6 (PORT6) ..........................................................................................17
Bank 0 R7 (PORT7) ..........................................................................................17
Bank 0 R8 (PORT8) ..........................................................................................17
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