Electronic Components Datasheet Search |
|
COP87L88RGN-XE Datasheet(PDF) 10 Page - National Semiconductor (TI) |
|
|
COP87L88RGN-XE Datasheet(HTML) 10 Page - National Semiconductor (TI) |
10 / 40 page Control Registers (Continued) PSW Register (Address X 00EF) The PSW register contains the following select bits GIE Global interrupt enable (enables interrupts) EXEN Enable external interrupt BUSY MICROWIREPLUS busy shifting flag EXPND External interrupt pending T1ENA Timer T1 Interrupt Enable for Timer Underflow or T1A Input capture edge T1PNDA Timer T1 Interrupt Pending Flag (Autoreload RA in mode 1 T1 Underflow in Mode 2 T1A cap- ture edge in mode 3) C Carry Flag HC Half Carry Flag HC C T1PNDA T1ENA EXPND BUSY EXEN GIE Bit 7 Bit 0 The Half-Carry bit is also affected by all the instructions that affect the Carry flag The SC (Set Carry) and RC (Reset Carry) instructions will respectively set or clear both the car- ry flags In addition to the SC and RC instructions ADC SUBC RRC and RLC instructions affect the carry and Half Carry flags ICNTRL Register (Address X 00E8) The ICNTRL register contains the following bits T1ENB Timer T1 Interrupt Enable for T1B Input capture edge T1PNDB Timer T1 Interrupt Pending Flag for T1B cap- ture edge WEN Enable MICROWIREPLUS interrupt WPND MICROWIREPLUS interrupt pending T0EN Timer T0 Interrupt Enable (Bit 12 toggle) T0PND Timer T0 Interrupt pending LPEN L Port Interrupt Enable (Multi-Input Wake Up Interrupt) Bit 7 could be used as a flag Unused LPEN T0PND T0EN WPND WEN T1PNDB T1ENB Bit 7 Bit 0 T2CNTRL Register (Address X 00C6) The T2CNTRL register contains the following bits T2ENB Timer T2 Interrupt Enable for T2B Input capture edge T2PNDB Timer T2 Interrupt Pending Flag for T2B cap- ture edge T2ENA Timer T2 Interrupt Enable for Timer Underflow or T2A Input capture edge T2PNDA Timer T2 Interrupt Pending Flag (Autoreload RA in mode 1 T2 Underflow in mode 2 T2A cap- ture edge in mode 3) T2C0 Timer T2 StartStop control in timer modes 1 and 2 Timer T2 Underflow Interrupt Pending Flag in timer mode 3 T2C1 Timer T2 mode control bit T2C2 Timer T2 mode control bit T2C3 Timer T2 mode control bit T2C3 T2C2 T2C1 T2C0 T2PNDA T2ENA T2PNDB T2ENB Bit 7 Bit 0 T3CNTRL Register (Address X 00B6) The T3CNTRL register contains the following bits T3ENB Timer T3 Interrupt Enable for T3B T3PNDB Timer T3 Interrupt Pending Flag for T3B pin (T3B capture edge) T3ENA Timer T3 Interrupt Enable for Timer Underflow or T3A pin T3PNDA Timer T3 Interrupt Pending Flag (Autoload RA in mode 1 T3 Underflow in mode 2 T3a cap- ture edge in mode 3) T3C0 Timer T3 StartStop control in timer modes 1 and 2 Timer T3 Underflow Interrupt Pending Flag in timer mode 3 T3C1 Timer T3 mode control bit T3C2 Timer T3 mode control bit T3C3 Timer T3 mode control bit T3C3 T3C2 T3C1 T3C0 T3PNDA T3ENA T3PNDB T3ENB Bit 7 Bit 0 Timers The device contains a very versatile set of timers (T0 T1 T2 T3) All timers and associated autoreloadcapture regis- ters power up containing random data TIMER T0 (IDLE TIMER) The devices support applications that require maintaining real time and low power with the IDLE mode This IDLE mode support is furnished by the IDLE timer T0 which is a 16-bit timer The Timer T0 runs continuously at the fixed rate of the instruction cycle clock tc The user cannot read or write to the IDLE Timer T0 which is a count down timer The Timer T0 supports the following functions Exit out of the Idle Mode (See Idle Mode description) WATCHDOG logic (See WATCHDOG description) Start up delay out of the HALT mode The IDLE Timer T0 can generate an interrupt when the thir- teenth bit toggles This toggle is latched into the T0PND pending flag and will occur every 4 ms at the maximum clock frequency (tc e 1 ms) A control flag T0EN allows the interrupt from the thirteenth bit of Timer T0 to be enabled or disabled Setting T0EN will enable the interrupt while reset- ting it will disable the interrupt http www nationalcom 10 |
Similar Part No. - COP87L88RGN-XE |
|
Similar Description - COP87L88RGN-XE |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |