參數(shù)資料
型號(hào)： MC68HC16S2CPU25
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, 25.17 MHz, MICROCONTROLLER, PQFP100
封裝： TQFP-100
文件頁數(shù)： 9/104頁
文件大小： 812K
代理商： MC68HC16S2CPU25
MOTOROLA
MC68HC16S2
12
MC68HC16S2TS/D
3.2 System Configuration Block
The SIM controls MCU configuration during normal operation and during internal testing.
The SIM configuration register controls system configuration. It can be read or written at any time, ex-
cept for the module mapping (MM) bit, which can be written only once.
EXOFF — External Clock Off
0 = The CLKOUT pin is driven by the MCU system clock.
1 = The CLKOUT pin is placed in a high-impedance state.
NOTES:
1. Y = M111, where M is the logic state of the module mapping (MM) bit in the SIMCR.
$YFFA52
Chip-Select Option 1 (CSOR1)
$YFFA54
Chip-Select Base 2 (CSBAR2)
$YFFA56
Chip-Select Option 2 (CSOR2)
$YFFA58
Chip-Select Base 3 (CSBAR3)
$YFFA5A
Chip-Select Option 3 (CSOR3)
$YFFA5C
Chip-Select Base 4 (CSBAR4)
$YFFA5E
Chip-Select Option 4 (CSOR4)
$YFFA60
Chip-Select Base 5 (CSBAR5)
$YFFA62
Chip-Select Option 5 (CSOR5)
$YFFA64
Chip-Select Base 6 (CSBAR6)
$YFFA66
Chip-Select Option 6 (CSOR6)
$YFFA68
Chip-Select Base 7 (CSBAR7)
$YFFA6A
Chip-Select Option 7 (CSOR7)
$YFFA6C
Chip-Select Base 8 (CSBAR8)
$YFFA6E
Chip-Select Option 8 (CSOR8)
$YFFA70
Chip-Select Base 9 (CSBAR9)
$YFFA72
Chip-Select Option 9 (CSOR9)
$YFFA74
Chip-Select Base 10 (CSBAR10)
$YFFA76
Chip-Select Option 10 (CSOR10)
$YFFA78
Not Used
$YFFA7A
Not Used
$YFFA7C
Not Used
$YFFA7E
Not Used
SIMCR — SIM Configuration Register
$YFFA00
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
EXOFF
FRZSW FRZBM
0
SLVEN
0
SHEN
SUPV
MM
0
IARB[3:0]
RESET:
0
DATA11
0
1
0
1
Table 7 SIM Address Map (Continued)
Address
15
8 7
0
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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