MC68HC05P4A Datasheet, PDF (44/72 Pages) Advanced Analogic Technologies – Microcontrollers

Self-Check Mode
VTST
4.7 kΩ
VDD = 5.0 V
VTST = 10.0 V
VDD
10 kΩ
RESET ₁
1 µf
IRQ ₂
PA7
3
PA6
4
PA5
5
PA4
6
PA3
7
PA2
8
PA1
9
PA0
10
SDO/PB5
11
SDI/PB6
12
SCK/PB7
13
VSS ₁₄
VDD
10 kΩ
28 ^VDD
27 ^OSC1
26 ^OSC2
25 ^TCAP/PD7
24 ^TCMP
23 ^PD5
22 ^PC0
PC1
21
PC2
20
PC3
19
PC4
18
PC5
17
PC6
16
PC7
15
4 MHz
10 MΩ
20 pF 20 pF
470 Ω
VDD
Figure 10-1. Self-Check Circuit
10 KΩ
MC68HC05P4A Data Sheet, Rev. 7.1
44
Freescale Semiconductor