參數(shù)資料
型號： MC68HC05F8B
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 1.8 MHz, MICROCONTROLLER, PDIP56
封裝： PLASTIC, SDIP-56
文件頁數(shù)： 15/126頁
文件大小： 1084K
代理商： MC68HC05F8B
MC68HC05F8
MOTOROLA
12-7
OPERATING MODES
12
12.3.4
Verify EPROM Contents
The Verify EPROM Contents routine is normally entered automatically after the EPROM is
programmed. Direct entry of this mode will cause the EPROM contents to be compared to external
memory contents residing at the same address locations. During execution of the verication
routine, the Program/Verify LED is illuminated. Upon completion of the verication routine (every
location veried) the Program/Verify LED is turned off and the Veried LED is turned on. If the
Program/Verify LED does not illuminate, a discrepancy has been detected and the error address
location will be placed on the external memory address bus.
Figure 12-5 EPROM Programming Circuit for Bootstrap Mode
OSC1
OSC2
MC68HC705F8
VPP
10M
22p
3.58MHz
VPP
+5V
470
Program/Verify
Verify
27256
CE
OE
VPP
VCC
QA
QB
QC
QD
R
CLR
HC393
QA
QB
QC
QD
R
CLR
HC393
QA
QB
QC
QD
R
CLR
HC393
QA
QB
QC
QD
R
CLR
HC393
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
D0
D1
D2
D3
D4
D5
D6
D7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB3
PB4
PB5
+5V
PB0
PB1
PB2
+5V
PB6
PB7
RESET
IRQ1
22p
TCAP
1N914
1
+
1K
100K
reset
0.01
+5V
VSS
VDD
10K
Open - Program & Verify
Closed - Verify
S1
S4
TPG
109
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
相關(guān)PDF資料
PDF描述
MC68HC05F8FU 8-BIT, MROM, 1.8 MHz, MICROCONTROLLER, PQFP64
MC68HC05I8FU 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQFP64
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