III PERIPHERAL BLOCK: 8-BIT PROGRAMMABLE TIMERS
S1C33210 FUNCTION PART
EPSON
B-III-3-15
PTOUT0: Timer 0 clock output control register (D2) / 8-bit timer 0 control register (0x40160)
PTOUT1: Timer 1 clock output control register (D2) / 8-bit timer 1 control register (0x40164)
PTOUT2: Timer 2 clock output control register (D2) / 8-bit timer 2 control register (0x40168)
PTOUT3: Timer 3 clock output control register (D2) / 8-bit timer 3 control register (0x4016C)
PTOUT4: Timer 4 clock output control register (D2) / 8-bit timer 4 control register (0x40174)
PTOUT5: Timer 5 clock output control register (D2) / 8-bit timer 5 control register (0x40178)
Controls the clock output of each timer.
Write "1": On
Write "0": Off
Read: Valid
The underflow signal of timer x is output from the external output pin set by CFP1x by writing "1" to PTOUTx.
When using timer 2 or 3 as the clock source of the serial interface, a clock generated from the underflow signal by
dividing it by 2 is output to the corresponding channel of the serial interface.
The clock output is turned off by writing "0" to PTOUT, and the external output is fixed at "0" and the internal clock
output is fixed at "1".
At initial reset, PTOUT is set to "0" (off).
P8TM2–P8TM0:
8-bit timer interrupt level (D[2:0]) / 8-bit timer, serial I/F Ch.0 interrupt priority register (0x40269)
Set the priority level of the 8-bit programmable timer interrupt in the range of 0 to 7.
At initial reset, the content of the P8TM register becomes indeterminate.
E8TU0: Timer 0 interrupt enable (D0) / 8-bit timer interrupt enable register (0x40275)
E8TU1: Timer 1 interrupt enable (D1) / 8-bit timer interrupt enable register (0x40275)
E8TU2: Timer 2 interrupt enable (D2) / 8-bit timer interrupt enable register (0x40275)
E8TU3: Timer 3 interrupt enable (D3) / 8-bit timer interrupt enable register (0x40275)
Enables or disables generation of an interrupt to the CPU.
Write "1": Interrupt enabled
Write "0": Interrupt disabled
Read: Valid
E8TUx is the interrupt enable bit which controls the interrupt generated by each timer. The interrupt set to "1" by
this bit is enabled, and the interrupt set to "0" by this bit is disabled.
At initial reset, E8TUx is set to "0" (interrupt disabled).
F8TU0: Timer 0 interrupt factor flag (D0) / 8-bit timer interrupt factor flag register (0x40285)
F8TU1: Timer 1 interrupt factor flag (D1) / 8-bit timer interrupt factor flag register (0x40285)
F8TU2: Timer 2 interrupt factor flag (D2) / 8-bit timer interrupt factor flag register (0x40285)
F8TU3: Timer 3 interrupt factor flag (D3) / 8-bit timer interrupt factor flag register (0x40285)
Indicates the interrupt generation status of the 8-bit programmable timer.
When read
Read "1": Interrupt factor has occurred
Read "0": No interrupt factor has occurred
When written using the reset-only method (default)
Write "1": Interrupt factor flag is reset
Write "0": Invalid
When written using the read/write method
Write "1": Interrupt flag is set
Write "0": Interrupt flag is reset
Summary of Contents for S1C33210
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