參數(shù)資料
型號： M68HC16Y1CFC
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, MICROCONTROLLER, PQFP16
封裝： QFP-160
文件頁數(shù)： 67/138頁
文件大小： 784K
代理商： M68HC16Y1CFC
MOTOROLA
MC68HC16Y1
34
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
UNUSED
YFFA52
UNUSED
YFFA54
UNUSED
YFFA56
UNUSED
YFFA58
CHIP-SELECT BASE 3 (CSBAR3)
YFFA5A
CHIP-SELECT OPTION 3 (CSOR3)
YFFA5C
UNUSED
YFFA5E
UNUSED
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
UNUSED
YFFA7A
UNUSED
YFFA7C
UNUSED
YFFA7E
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
*
0
1
*
1
Table 7 SCIM Address Map
Address
15
8 7
0
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