參數(shù)資料
型號: MC68HC705E6MFB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 48/140頁
文件大小: 1141K
代理商: MC68HC705E6MFB
Modes of Operation and Pin Descriptions
Modes of operation
MC68HC05E6 — Rev. 1.0
MOTOROLA
Modes of Operation and Pin Descriptions
15
The bootloader uses two external latches to address the memory device
containing the code to be copied. Figure 2 shows a suggested EPROM
programming circuit.
NOTE:
This mode must not be used in the user’s application.
Figure 2 EPROM programming circuit
IRQ/VPP
OSC1
OSC2
RESET
PC1
PC0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
A14
VDD
VPP
4MHz
10 M
22 pF
S4
470
100 nF
470
RED
GREEN
100 k
VDD
MC68HC705E6
33 k
VDD
PC4
PC3
PC2
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
CE
OE
D7
D6
D5
D4
D3
D2
D1
D0
PB2
Q0
D0
Q1
D1
Q2
D2
Q3
D3
Q4
D4
Q5
D5
Q6
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
Q0
Q1
Q2
Q3
Q4
Q5
Q6
27256
HC573
Q7
OE
Q7
OE
9
8
7
6
5
4
3
2
CLK
11
9
11
8
7
6
5
4
3
219
18
17
16
15
14
13
12
1
12
13
14
15
16
17
18
19
27
26
2
23
21
24
25
3
4
5
6
7
8
9
10
20
22
19
18
17
16
15
13
12
11
PB3
PB4
1N4148
S1
S2
S3
VDD
1
10
VPP
VDD
VDD
VSS
3-pin
相關(guān)PDF資料
PDF描述
MC68HC705E6CFB 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQFP44
MC68HC705E6VDWR2 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC05E6VFB 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
MC68HC705E6VDW 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC705E6VDWR3 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
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