參數(shù)資料
型號: MC68HC16Y1
廠商: Motorola, Inc.
英文描述: 16-Bit Modular Microcontroller(16位模塊化微控制器)
中文描述: 16位微控制器模塊(16位模塊化微控制器)
文件頁數(shù): 34/122頁
文件大?。?/td> 749K
代理商: MC68HC16Y1
MOTOROLA
34
MC68HC16Y1
MC68HC16Y1TS/D
Y = M111 where M is the modmap bit in the SCIMCR.
3.1 System Configuration
The MC68HC16Y1 can operate as a stand-alone device (single-chip modes), with 24-bit external ad-
dress bus and an 8-bit external data bus (partially expanded mode), or with a 24-bit external address
bus and a 16-bit external data bus. However, since ADDR[23:20] follow the state of ADDR19, the ex-
ternal bus is effectively only 20 bits wide. In addition, SCIM pins can be configured for use as I/O ports
or programmable chip select signals. System configuration is determined by setting bits in the SCIM
module configuration register (SCIMCR), and by asserting certain MCU pins during reset.
* Reset state is mode dependent — see bit description below
The module configuration register controls system configuration. It can be read or written at any time,
except for the module mapping (MM) bit, which must remain set to one.
YFFA50
YFFA52
YFFA54
YFFA56
YFFA58
YFFA5A
YFFA5C
YFFA5E
YFFA60
YFFA62
YFFA64
YFFA66
YFFA68
YFFA6A
YFFA6C
YFFA6E
YFFA70
YFFA72
YFFA74
YFFA76
YFFA78
YFFA7A
YFFA7C
YFFA7E
UNUSED
UNUSED
UNUSED
UNUSED
CHIP-SELECT BASE 3 (CSBAR3)
CHIP-SELECT OPTION 3 (CSOR3)
UNUSED
UNUSED
CHIP-SELECT BASE 5 (CSBAR5)
CHIP-SELECT OPTION 5 (CSOR5)
CHIP-SELECT BASE 6 (CSBAR6)
CHIP-SELECT OPTION 6 (CSOR6)
CHIP-SELECT BASE 7 (CSBAR7)
CHIP-SELECT OPTION 7 (CSOR7)
CHIP-SELECT BASE 8 (CSBAR8)
CHIP-SELECT OPTION 8 (CSOR8)
CHIP-SELECT BASE 9 (CSBAR9)
CHIP-SELECT OPTION 9 (CSOR9)
CHIP-SELECT BASE 10 (CSBAR10)
CHIP-SELECT OPTION 10 (CSOR10)
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
SCIMCR
— Single-Chip Integration Module Configuration Register
$YFFA00
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
EXOFF
FRZSW
FRZBM
CPUD
SLVE
0
SHEN
SUPV
MM
ABD
RWD
IARB
RESET:
0
1
1
*
*
0
0
0
1
1
*
*
1
1
1
1
Table 7 SCIM Address Map
Address
15
8 7
0
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MC68HC16Z1CAG16 制造商:Freescale Semiconductor 功能描述:IC16-BIT MICROCONTROLLER
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