參數資料
型號: MC68HC05X4CDWR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOIC-28
文件頁數: 83/168頁
文件大小: 656K
代理商: MC68HC05X4CDWR2
Modes of Operation and Pin Descriptions
Bootloader modes for the MC68HC05X4 and MC68HC705X4
MC68HC05X4 Rev 1.0
MOTOROLA
Modes of Operation and Pin Descriptions
21
9-modes
Figure 4. MC68HC705X4 EPROM programming circuit
18 pF
OSC1
OSC2
3
4
RESET
VSS
PB2
PB1
PB6
PB0
MDS/VPP
VPP
A0
6
11
100 k
7
12
8
13
9
15
10
16
11
17
12
18
13
19
10
9
8
7
6
5
4
3
25
24
21
23
9
7
6
5
3
2
4
13
12
14
15
1
A1
A2
A3
A4
A5
A6
A7
D0
D1
D2
D3
D4
D5
D6
D7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
A8
A9
A10
A11
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
2
A12
14
11
10
8
16
VDD
Counter
VDD
2764
20
22
2
14
24
23
28
22
PB5
PB7
PB3
PB4
15
27
1
25
26
RST
CLK
390
390
VERF
PROG
VDD
0.1
F
VDD
CE
OE
VDD
5
127
28
EPROM
MC14040B
MC68HC705X4
20 MHz
All resistors are 10 k
unless otherwise specified
PB4
PB3
Mode
1
Program/verify
1
0
Verify only
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