MC68HC11KW1 Datasheet, PDF (219/238 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor HCMOS) microcontroller unit

E clock
R/W,
Address
Data
(read)
Data
(write)
CS E
valid
CS AD
valid
1
3
4B
2
4A
11
12
9
29
17
18
57
56
54
19
39
50
51
55
21
52
A.6
Figure A-14 Expansion bus timing
EEPROM characteristics
Characteristic
Programming time, t_EEPROG(1)
< 1 MHz, RCO enabled
1–2 MHz, RCO disabled
≥2 MHz & whenever RCO enabled
Erase time: byte, row and bulk ⁽¹⁾
Write/erase endurance ⁽²⁾
Data retention ⁽²⁾
Temperature range
–40 to +85°C
10
20
10
10
10 000
10
Unit
ms
ms
cycles
years
(1) The RC oscillator (RCO) must be enabled (by setting the CSEL bit in the OPTION register)
for EEPROM programming and erasure when the E clock frequency is less than 1.0MHz.
(2) Refer to the current issue of Motorola’s quarterly Reliability Monitor Report for the latest
failure rate information.
A
MC68HC11KW1
ELECTRICAL SPECIFICATIONS
A-15