Specifications

Developer’s Serial Bootloader, Rev. 13
MCU slave software
Freescale Semiconductor38
.
Table 2. Target implementation comparison
MCU Family
FLASH
Memory Use
(in Bytes)
Clock Source
ROM
Routines
Usage
Calibration Conducted
SCI
FLASH
Erase
Page Size
(in Bytes)
FLASH
Program
Page Size
(in Bytes)
MC68HC908AP
AP8/AP16/
AP32/AP64
592
32768 Hz XTAL
or external clock.
Yes,
different
version
No Hardware 512 64
MC68HC908AB/AS/AZ
AB32/AS32/AZ32
AS60/AZ60
640 4.9152MHz XTAL No No Hardware 128 64
MC68HC908EY
EY16
384 ICG Yes Yes Hardware 64 32
MC68HC908GP
GP32
512
32768 Hz XTAL
or external clock.
No No Hardware 128 64
MC68HC908GR
GR4/GR8/GR16
GR8A/GR16A
320
32768 Hz XTAL
or external clock;
8MHz XTAL
(A Family)
Yes No Hardware 64 32
MC68HC908GT
GT8/GT16
384 ICG Yes Yes Hardware 64 32
MC68HC908GZ
GZ8/GZ16
512 8 MHz XTAL Yes No Hardware 64 32
MC68HC908GZ
GZ60
512 8 MHz XTAL No No Hardware 128 64
MC68HC908JK/JL
JK1/JL1/
JK3/JL3
395
XTAL, RC
oscillator or ext.
source
Yes Yes
Software,
single-wire
possible
64 32
MC68HC908JK/JL
JK8/JL8
384 4.9152MHz XTAL
Yes,
different
version
No Hardware 64 32
MC68HC908JW
JW32
1968
4MHz or 6MHz
XTAL or resonator
Yes N/A USB2.0 512 64
MC68HC908LB
LB8
384 ICG Yes Yes
Software,
single-wire
possible
64 32
MC68HC908LJ
LJ12/
LJ/LK24
324
32768 Hz XTAL
or external clock.
Yes,
different
version
No Hardware 128 64
MC68HC908KX
KX2/KX8
384 ICG Yes Yes Hardware 64 32
MC68HC908MR
MR8
461
PLL with XTAL
(4 MHz)
No No Hardware 64 32
MC68HC908MR
MR16/MR32
461
PLL with XTAL
(4 MHz)
No No Hardware 128 64