參數(shù)資料
型號: MC68HC05K3P
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 58/132頁
文件大小: 2612K
代理商: MC68HC05K3P
Memory Map
Input/Output and Control Registers
MC68HC05K3 — Rev. 5
Technical Data
Memory Map
2.3 Input/Output and Control Registers
The input/output (I/O) and status/control registers reside in locations
$0000–$001F. The overall organization of these registers is shown in
The bit assignments for each register are shown in Figure 2-3. Reading
unimplemented bits returns unknown states, and writing to
unimplemented bits has no effect.
Figure 2-2. MC68HC05K3 I/O Registers Memory Map
PORT A DATA REGISTER
PORT B DATA REGISTER
PORT A DATA DIRECTION REGISTER
PORT B DATA DIRECTION REGISTER
TIMER STATUS & CONTROL REGISTER
TIMER COUNTER REGISTER
PEEPROM CONTROL & STATUS REGISTER
RESERVED
UNIMPLEMENTED (2)
UNIMPLEMENTED (3)
UNIMPLEMENTED (13)
IRQ STATUS & CONTROL REGISTER
PORT A PULLDOWN REGISTER
PORT B PULLDOWN REGISTER
$0000
$0001
$0004
$0005
$0008
$0009
$001F
$000A
$0010
$0011
$000F
PEEPROM BIT SELECT REGISTER
$000E
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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ARCHIVED
BY
FREESCALE
SEMICONDUCT
OR,
INC.
2006
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