參數(shù)資料
型號(hào): MC68HC08AZ60AMFU
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數(shù): 361/480頁
文件大?。?/td> 4540K
代理商: MC68HC08AZ60AMFU
Timer Interface Module A (TIMA)
MC68HC08AZ60A — Rev 2.1
Technical Data
Freescale Semiconductor
Timer Interface Module A (TIMA)
423
23.9.3 TIMA Counter Modulo Registers
The read/write TIMA modulo registers contain the modulo value for the
TIMA counter. When the TIMA counter reaches the modulo value, the
overflow flag (TOF) becomes set and the TIMA counter resumes
counting from $0000 at the next timer clock. Writing to the high byte
(TAMODH) inhibits the TOF bit and overflow interrupts until the low byte
(TAMODL) is written. Reset sets the TIMA counter modulo registers.
NOTE:
Reset the TIMA counter before writing to the TIMA counter modulo
registers.
Register Name and Address TAMODH — $0024
Bit 7
654321
Bit 0
Read:
BIT 15
BIT 14
BIT 13
BIT 12
BIT 11
BIT 10
BIT 9
BIT 8
Write:
Reset:
11111111
Register Name and Address TAMODL — $0025
Bit 7
654321
Bit 0
Read:
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Write:
Reset:
11111111
Figure 23-6. TIMA Counter Modulo Registers (TAMODH and
TAMODL)
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