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PC312XDP512F0CFVR Datasheet(PDF) 345 Page - Freescale Semiconductor, Inc

Part # PC312XDP512F0CFVR
Description  HCS12X Microcontrollers
PDF  1348 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PC312XDP512F0CFVR Datasheet(HTML) 345 Page - Freescale Semiconductor, Inc

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Chapter 7 Enhanced Capture Timer (S12ECT16B8CV2)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
345
7.3.2.27
16-Bit Pulse Accumulator B Control Register (PBCTL)
Read: Anytime
Write: Anytime
All bits reset to zero.
000001118
00001111
16
00011111
32
00111111
64
01111111
128
11111111
256
76543210
R0
PBEN
0000
PBOVI
0
W
Reset
00000000
= Unimplemented or Reserved
Figure 7-49. 16-Bit Pulse Accumulator B Control Register (PBCTL)
Table 7-35. PBCTL Field Descriptions
Field
Description
6
PBEN
Pulse Accumulator B System Enable — PBEN is independent from TEN. With timer disabled, the pulse
accumulator can still function unless pulse accumulator is disabled.
0 16-bit pulse accumulator system disabled. 8-bit PAC1 and PAC0 can be enabled when their related enable bits
in ICPAR are set.
1 Pulse accumulator B system enabled. The two 8-bit pulse accumulators PAC1 and PAC0 are cascaded to form
the PACB 16-bit pulse accumulator B. When PACB is enabled, the PACN1 and PACN0 registers contents are
respectively the high and low byte of the PACB.
PA1EN and PA0EN control bits in ICPAR have no effect.
The PACB shares the input pin with IC0.
1
PBOVI
Pulse Accumulator B Overflow Interrupt Enable
0 Interrupt inhibited
1 Interrupt requested if PBOVF is set
Table 7-34. Precision Timer Modulus Counter Prescaler Select Examples when PRNT = 1 (continued)
PTMPS7
PTMPS6
PTMPS5
PTMPS4
PTMPS3
PTMPS2
PTMPS1
PTMPS0
Prescaler
Division
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