em78p134n ELAN Microelectronics Corp, em78p134n Datasheet - Page 3

• Manufacturer Part Number: em78p134n
• Description: 8-bit Microcontroller With Otp Rom
• Manufacturer: ELAN Microelectronics Corp

Contents
Product Specification (V1.6) 06.02.2010
1
2
3
4
4.1 EM78P134N − 10 pins ............................................................................................... 3
5
General Description .................................................................................................. 1
Features ..................................................................................................................... 1
Pin Assignment ......................................................................................................... 2
Pin Description.......................................................................................................... 3
Functional Description ............................................................................................. 4
5.1
5.2
5.3
Operational Registers......................................................................................... 5
Special Purpose Registers ............................................................................... 12
TCC/WDT and Prescaler.................................................................................. 18
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
5.1.7
5.1.8
5.1.9
5.1.10 R9 (Unused) ........................................................................................................ 8
5.1.11 RA (PWMCON : PWM Control Register) ............................................................ 8
5.1.12 RB (CMPCON I : Comparator Control Register I)............................................... 9
5.1.13 RC (CMPCON II : Comparator Control Register II) ............................................ 9
5.1.14 RD (System Control Register)...........................................................................10
5.1.15 RE (WUCR: Wake-up Control Register) ........................................................... 11
5.1.16 RF (Interrupt Status Register) ...........................................................................12
5.1.17 R10 ~ R3F .........................................................................................................12
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.2.7
5.2.8
5.2.9
5.2.10 IOCC (Open-drain Control Register).................................................................15
5.2.11 IOCD (Pull-high Control Register).....................................................................15
5.2.12 IOCE (WDT Control Register) ...........................................................................16
5.2.13 IOCF (Interrupt Mask Register).........................................................................16
R0 (Indirect Addressing Register) ....................................................................... 5
R1 (Timer Clock/Counter) ................................................................................... 5
R2 (Program Counter) and Stack........................................................................ 5
R3 (Status Register) ............................................................................................ 7
R4 (RAM Select Register)................................................................................... 7
R5 (Unused) ........................................................................................................ 7
R6 (Port 6)........................................................................................................... 7
R7 ( TBLP : Table Point Register ) ...................................................................... 8
R8 ( TBHP : Table Point Register )...................................................................... 8
A (Accumulator).................................................................................................12
CONT (Control Register)...................................................................................12
IOC5 (Unused) ..................................................................................................13
IOC6 (I/O Port Control Register) .......................................................................13
IOC7 (TMRH: Most Significant Bits of the PWM Timer)....................................14
IOC8 (TMRL: Least Significant Byte of the PWM Timer) ..................................14
IOC9 (PRDL: Least Significant Byte of the PWM Time Period)........................14
IOCA (DTL: Least Significant Byte of the PWM Duty Cycle) ............................14
IOCB (Pull-down Control Register) ...................................................................14
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