MC68HC05L28B MOTOROLA [Motorola, Inc], MC68HC05L28B Datasheet - Page 25

• Manufacturer Part Number: MC68HC05L28B
• Description: Flexible general-purpose microcomputer
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC05L28
All resistors are 10 k unless specified otherwise
100nF
Table 2-4 RAM bootloader mode jump vectors (MC68HC705L28)
V
Table 2-3 RAM bootloader mode jump vector (MC68HC05L28)
DD
22pF
MODES OF OPERATION AND PIN DESCRIPTIONS
4.0 MHz
Figure 2-1 RAM bootloader circuit
10 M
22pF
100nF
Address
Address
008C
0084
0083
0086
0089
008F
OSC1
OSC2
VDD
RESET
VSS
MC68HC05L28
I
Software interrupt
Software interrupt
IRQ
Core timer
Programmable timer
2
C-bus
IRQ/VPP
Pseudo-vector
Pseudo-vector
2
x V
PA0
PB2
PB3
PB6
DD
PB3
0
1
RxD
Jump to RAM ($81)
Load/Execute RAM
Function
V
DD
MOTOROLA
TPG
2-3
2