Samsung S3F80JB manual Counter a Block Diagram

Models: S3F80JB

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COUNTER A

S3F80JB

 

 

DIV 1

DIV 2

DIV 4

DIV 8

CACON.6-.7

MUX CLK 16-Bit Down Counter

CACON.0

(CAOF)

To Other Block (P3.1/REM)

CACON.2

fOSC

Repeat

Control

Interrupt

Control

CACON.4-.5

MUX

Counter A Data

Low Byte Register

Counter A Data

High Byte Register

Data Bus

CACON.3

INT. GEN. IRQ2 (CAINT)

NOTE:

The value of the CADATAL register is loaded into the 8-bit counter when the operation of the counter A stars. If a borrow occurs, the value of the CADATAH register is loaded into the 8-bit counter. However, if the next borrow occurs, the value of the CADATAL register is loaded into the 8-bit counter.

Figure 12-1. Counter A Block Diagram

12-2

Page 263
Image 263
Samsung S3F80JB manual Counter a Block Diagram