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參數資料
型號: MC68HC05P18A
廠商: Motorola, Inc.
英文描述: Low Cost HCMOS Microcontroller(低成本、8位HCMOS微控制器)
中文描述: 低成本HCMOS微控制器(低成本,8位HCMOS微控制器)
文件頁數: 86/130頁
文件大小: 1200K
代理商: MC68HC05P18A
L
G
R
EEPROM
Technical Data
MC68HC05P18A
86
EEPROM
MOTOROLA
10.3 EEPROM Programming Register
The contents and use of the programming register (EEPROG) are
discussed here.
CPEN — Charge Pump Enable Bit
When set, CPEN enables the charge pump that produces the internal
EEPROM programming voltage. This bit should be set concurrently
with the LATCH bit. The programming voltage will not be available
until EEPGM is set. The charge pump should be disabled when not in
use. CPEN is readable and writable and is cleared by reset.
ER1 and ER0 — Erase Select Bits
ER1 and ER0 form a 2-bit field that is used to select one of three
erase modes: byte, block, or bulk.
Table 10-1
shows the modes
selected for each bit configuration. These bits are readable and
writable and are cleared by reset.
Address: $001C
Bit 7
6
5
4
3
2
1
Bit 0
Read:
0
CPEN
0
ER1
ER0
LATCH
EERC
EEPGM
Write:
Reset:
0
0
0
0
0
0
0
0
= Unimplemented
Figure 10-1. EEPROM Programming Register (EEPROG)
Table 10-1. Erase Mode Select
ER1
ER0
Mode
0
0
Program, no erase
0
1
Byte erase
1
0
Block erase
1
1
Bulk erase
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