EPVP6810 Datasheet, PDF (4/50 Pages) ELAN Microelectronics Corp – VFD Controller

7.2.11 RA (PLL, Main Clock Selection, Watchdog Timer),
ADC Output Data Buffer , Counter3 Data................................................................. 16
7.2.12 RB (PORTB I/O Data Buffer, PORT9 Switches)....................................................... 18
7.2.13 RC (PORTC I/O Data , Counter5 Data).................................................................... 19
7.2.14 RD (Interrupt Flag,)................................................................................................... 19
7.2.15 RE (Interrupt Flags, Wake-up).................................................................................. 20
7.2.16 RF (Interrupt Flags) .................................................................................................. 20
7.2.17 R10~R3F (General Purpose Registers) ................................................................... 21
7.3 Special Purpose Registers ................................................................................................... 21
7.3.1 A (Accumulator) ........................................................................................................ 21
7.3.2 CONT (Control Register) .......................................................................................... 21
7.3.3 IOC 5 (PORT5 Switches) ......................................................................................... 23
7.3.4 IOC 8 ........................................................................................................................ 23
7.3.5 IOC9 (PORT9 I/O Control) ....................................................................................... 24
7.3.6 IOCA ......................................................................................................................... 25
7.3.7 IOCB (PORTB I/O Control, PORTB Switch) ............................................................ 25
7.3.8 IOCC (PORTC I/O Control) ...................................................................................... 26
7.3.9 IOCD (Interrupt Mask, Prescaler of CN3 ~ CN5) ..................................................... 26
7.3.10 IOCE (Interrupt Mask) .............................................................................................. 27
7.3.11 IOCF (Interrupt Mask ).............................................................................................. 27
7.4 Application notes
7.4 I/O Port ................................................................................................................................. 29
7.5 RESET ................................................................................................................................. 29
7.6 Wake Up............................................................................................................................... 30
7.6.1 SLEEP Mode, RA(6 ;7) = 0 + "SLEP" Instruction..................................................... 30
7.6.2 IDLE mode, RA(6 ;7) = 1 + "SLEP" Instruction. ....................................................... 30
7.6.3 Wake-up from SLEEP Mode..................................................................................... 30
7.6.4 Wake-up from IDLE Mode ........................................................................................ 31
7.7 Interrupts .............................................................................................................................. 31
7.8 Instruction Set ...................................................................................................................... 31
8 Segment Data Buffers .........................................................................................33
9 RC/Crystal OSC....................................................................................................35
9.1 General Description.............................................................................................................. 35
9.2 Features ............................................................................................................................... 35
9.3 Block Diagram ...................................................................................................................... 35
9.4 Pin Description ..................................................................................................................... 35
9.5 Electrical ............................................................................................................................... 35
10 Absolute Operation Maximum Ratings ..............................................................36
11 DC Electrical Characteristic................................................................................36
12
iv
AC Electrical Characteristic................................................................................38
12.1 CPU Instruction Timing (Ta = -20°C ~ 70°C, VDD=5V, VSS=0V) ....................................... 38
12.2 AC Timing Characteristic (VDD=5V, Ta=+25°C) .................................................................. 39
12.3 ePVP6810 Operating Voltage (X Axis Min VDD ; Y Axis Main CLK) ......................... 39
ePVP6810 Specification