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參數(shù)資料
| 型號(hào)： | MC68HC58FN |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 1 CHANNEL(S), LOCAL AREA NETWORK CONTROLLER, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁(yè)數(shù)： | 12/102頁(yè) |
| 文件大?。?/td> | 700K |
| 代理商： | MC68HC58FN |
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MC68HC58
SIGNAL AND PIN DESCRIPTIONS
MOTOROLA
TECHNICAL DATA
2-1
SECTION 2SIGNAL AND PIN DESCRIPTIONS
The MC68HC58 DLC is available in a 28-pin plastic leaded chip carrier (PLCC) pack-
age and a 28-pin small outline integrated circuit (SOIC) package. The MC68HC58 is
pin configurable to communicate with a host MCU via a serial or parallel interface. Se-
rial or parallel mode is selected by connecting the PRLMD pin to ground or VDD re-
spectively. Pin function and recommended interconnections are discussed in the
following paragraphs. Refer to APPENDIX B MECHANICAL DATA AND ORDERING
INFORMATION for information on package dimensions and ordering information.
2.1 MC68HC58 DLC Parallel Mode
When the PRLMD pin is tied to VDD, the MC68HC58 DLC communicates with the host
MCU via a parallel interface. Interface timing is based on the M6800 external bus clock
signal (ECLK). Motorola M68HC11, M68HC16, and M68300 series MCUs have ECLK
outputs, but any host MCU that meets the timing specification can be used.
Figure 2-1 is a pinout of the MC68HC58 (PLCC).
Figure 2-1 MC68HC58 DLC Pin Assignments
DLC
(TOP VIEW)
VCC
PSEN
VBATT
BUS
LOAD
VSSD
DATA0
RST
CS
*(SCLK)/ECLK
*(SIMO)/ADDR0
*(SOMI)/R/W
INT
VDD
* () INDICATES PIN ASSIGNMENTS FOR SERIAL MODE OPERATION
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
OSC1
OSC2
LOTI
V
SSA
LITO
PRLMD
REXT
DLC PIN ASSIGNMENT
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