MC68HC11KW1 Datasheet, PDF (90/238 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor HCMOS) microcontroller unit

CONFIG — System configuration register
Configuration control (CONFIG)
Address bit 7
$003F 1
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
1
CLKX
PAREN
NOSEC
NOCO
P
1
EEON 11xx xx1x
For a description of the other bits contained in the CONFIG register refer to Section 4.3.2.1.
4
NOSEC — EEPROM security disabled
1 (set) – Disable security.
0 (clear) – Enable security.
With security enabled, selection of special test mode is prevented; single chip and user expanded
modes may be accessed. If the MODA and MODB pins are configured for special test mode, the
part will start in bootstrap mode.
4-46
OPERATING MODES AND ON-CHIP MEMORY
MC68HC11KW1