T84C5112-RKUCL datasheet(54/97 Pages) ATMEL

tên linh kiện	T84C5112-RKUCL

Giải thích chi tiết về linh kiện	8-bit Microcontroller with A/D converter

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54 / 97 page

Rev. B - November 10, 2000

Preliminary

T80C5112

Table 30. CCAPnH: PCA Modules Capture/Compare Registers High

Table 31. CCAPnL: PCA Modules Capture/Compare Registers Low

Table 32. CH: PCA Counter High

Table 33. CL: PCA Counter Low

13.1. PCA Capture Mode

To use one of the PCA modules in the capture mode either one or both of the CCAPM bits CAPN and CAPP for

that module must be set. The external CEX input for the module (on port 1) is sampled for a transition. When a

valid transition occurs the PCA hardware loads the value of the PCA counter registers (CH and CL) into the

module's capture registers (CCAPnL and CCAPnH). If the CCFn bit for the module in the CCON SFR and the

ECCFn bit in the CCAPMn SFR are set then an interrupt will be generated (Refer to Figure 24).

CCAPnH Address

n=0-4

CCAP0H=0FAH

CCAP1H=0FBH

CCAP2H=0FCH

CCAP3H=0FDH

CCAP4H=0FEH

Reset value

CCAPnL Address

n=0-4

CCAP0L=0EAH

CCAP1L=0EBH

CCAP2L=0ECH

CCAP3L=0EDH

CCAP4L=0EEH

Reset value

Address 0F9H

Reset value

Address 0E9H

Reset value

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