參數(shù)資料
型號: MB91133PMT2-XXX
元件分類: 微控制器/微處理器
英文描述: 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP144
封裝: PLASTIC, LQFP-144
文件頁數(shù): 57/112頁
文件大小: 1118K
代理商: MB91133PMT2-XXX
MB91133/MB91F133A
49
3.
8/16-bit Up/Down Counter / Timer
8/16-bit up/down counter / timer is configured of event input pins
× 6, 8-bit up/down counters × 2, 8-bit reload /
compare registers
× 2 and their control circuits.
Characteristics of 8/16-bit Up/Down Counter / Timer
Counting from (0) d to (256) d is possible using an 8-bit counting register.
(Counting from (0) d to (65535) d is possible in 16-bit
× 1 operation mode.)
4 types of counting mode can be selected by the count clock
Selection can be made from two types of internal clock as the count clock in timer mode.
Detection edge of the external pin input signals can be selected in up/down count mode.
Phase difference count mode is suited to count encoders such as motors. Turning angle and turning number,
etc., can easily and accurately be counted by separately inputting phase A, B and Z outputs of the encoder.
Selection can be made from two function types for the ZIN pin (valid for all modes) .
Compare and reload functions are featured, and each function can be used alone or in combination.
Up/down counting with random width can be carried out using both functions in combination.
The count direction directly before can be identified by the count direction flag.
Generation of interruptions in case of compared match, reload (underflow) or overflow and in cases where the
count direction is changed can be controlled separately.
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