Epson S1C33210 Technical Manual page 254

III PERIPHERAL BLOCK: 8-BIT PROGRAMMABLE TIMERS
When both the timer RUN/STOP control bit (PTRUNx) and the timer preset bit (PSETx) are set to "1" at the
same time, the timer starts counting after presetting the reload register value into the counter.
PTRUNx
PSETx
RLDx 0x10
Input clock
PTDx7
PTDx6
PTDx5
PTDx4
PTDx3
PTDx2
PTDx1
PTDx0
Timer
initial setup
Reading out counter data
The counter data is read out via a PTDx data buffer. The counter data can be read out at any time.
Timer 0 data: PTD0[7:0] (D[7:0]) / 8-bit timer 0 counter data register (0x40162)
Timer 1 data: PTD1[7:0] (D[7:0]) / 8-bit timer 1 counter data register (0x40166)
Timer 2 data: PTD2[7:0] (D[7:0]) / 8-bit timer 2 counter data register (0x4016A)
Timer 3 data: PTD3[7:0] (D[7:0]) / 8-bit timer 3 counter data register (0x4016E)
Timer 4 data: PTD4[7:0] (D[7:0]) / 8-bit timer 4 counter data register (0x40176)
Timer 5 data: PTD5[7:0] (D[7:0]) / 8-bit timer 5 counter data register (0x4017A)
B-III-3-6
0xA6
Preset
Figure 3.2 Basic Operation Timing of Counter
EPSON
0xF3
Reload and
interrupt
S1C33210 FUNCTION PART