参数资料
型号: MC68HC05RC18DW
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封装: SOIC-28
文件页数: 39/124页
文件大小: 457K
代理商: MC68HC05RC18DW
General Description
Signal Description
MC68HC05RC18 Rev. 2.0
General Release Specification
MOTOROLA
General Description
21
NON-DISCLOSURE
AGREEMENT
REQUIRED
NOTE:
When the STOP instruction is disabled, executing a STOP instruction is
equivalent to executing a WAIT instruction, except that the core timer is
reset.
IRQ — IRQ sensitivity
When the IRQ option is selected (LEVEL = 1), edge- and level-
sensitive IRQ is enabled.
When the IRQ option is deselected (LEVEL = 0), edge-only sensitive
IRQ is enabled.
1.5 Signal Description
The MC68HC05RC18 is available in
1. 28-pin dual-in-line package (DIP) see Figure 1-2
2. 28-pin small outline integrated circuit (SOIC) package
3. 44-pin plastic leaded chip carrier (PLCC) package see Figure 1-4
The signals are described in the following subsections.
Figure 1-2. 28-Pin DIP Pinout
PB4
PB5
PB6
PB7
PA0
PA1
PA2
PA3
PA4
PA5
OSC1
OSC2
VDD
VSS
PC1
PC2
PC3
PB1
PB2
PC0
PB0
PB3
IRQ
RESET
PA7
PA6
LPRST
IRO
5
6
7
8
9
10
11
12
13
14
2
3
1
4
24
23
22
21
20
19
18
17
16
15
27
26
28
25
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