参数资料
型号: MCM16Y1BACFT16
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, MICROCONTROLLER, PQFP160
封装: QFP-160
文件页数: 23/138页
文件大小: 784K
代理商: MCM16Y1BACFT16
MC68HC16Y1
MOTOROLA
MC68HC16Y1TS/D
119
RSIGHI and RSIGLO are used to specify a ROM signature pattern. A special signature identification
algorithm allows the user to verify the content of the ROM array. The signature is specified by the user
and cannot be changed.
ROMBS0 — ROM Bootstrap Word 0
$YFF830
ROMBS1 — ROM Bootstrap Word 1
$YFF832
ROMBS2 — ROM Bootstrap Word 2
$YFF834
ROMBS3 — ROM Bootstrap Word 3
$YFF836
Typically, reset vectors for the system CPU are contained in nonvolatile memory and are only fetched
when the CPU comes out of reset. The user can specify that these four words be used as reset vectors,
and can specify the content of these locations. The content of these words cannot be changed. In the
MC68HC16Y1, ROMBS0 to ROMBS3 correspond to system addresses $000000 to $000006.
RSIGHI — ROM Signature High Register
$YFF828
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
NOT USED
RSP18
RSP17
RSP16
RESET:
0
USER SPECIFIED
RSIGLO — ROM Signature Low Register
$YFF82A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RSP15
RSP14
RSP13
RSP12
RSP11
RSP10
RSP9
RSP8
RSP7
RSP6
RSP5
RSP4
RSP3
RSP2
RSP1
RSP0
RESET:
USER SPECIFIED
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