Chapter 11 Enhanced Capture Timer (S12MC9S12XDP51216B8CV2)
MC9S12XDP512 Data Sheet, Rev. 2.11
Freescale Semiconductor 537
11.3.2.21 ICPAR — Input Control Pulse Accumulators Register (ICPAR)
Read: Anytime
Write: Anytime.
All bits reset to zero.
The 8-bit pulse accumulators PAC3 and PAC2 can be enabled only if PAEN in PACTL is cleared. If PAEN
is set, PA3EN and PA2EN have no effect.
The 8-bit pulse accumulators PAC1 and PAC0 can be enabled only if PBEN in PBCTL is cleared. If PBEN
is set, PA1EN and PA0EN have no effect.
Module Base + 0x0028
76543210
R0000
PA3EN PA2EN PA1EN PA0EN
W
Reset 00000000
= Unimplemented or Reserved
Figure 11-43. Input Control Pulse Accumulators Register (ICPAR)
Table 11-25. ICPAR Field Descriptions
Field Description
3:0
PA[3:0]EN
8-Bit Pulse Accumulator ‘x’ Enable
0 8-Bit Pulse Accumulator is disabled.
1 8-Bit Pulse Accumulator is enabled.