MC68HC05B4 Datasheet, PDF (157/298 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

RESET
15
NC
18 _RESET
0.01 µF
8
VRH
10 nF
10
VDD
OSC1 ¹⁶
17
OSC2
22 pF
47 µF
10 MΩ
4 MHz ^{22 pF}
4k7 Ω
P1
GND
+5V
2xV_DD
6 _NC
40 _VPP1
50 _RDI
52 _TDO
20 _PLMA
21 _PLMB
2 _TCMP1
51 _SCLK
3
4
5
9
11
12
13
14
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
24 _PA7
25
26
27
28
29
30
31
PA6
PA5
PA4
PA3
PA2
PA1
PA0
IRQ ¹⁹
TCAP2 ²³
TCMP2 1
TCAP1 ²²
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
32
33
34
35
36
37
38
39
VSS VRL
41
7
PC7 ⁴²
PC6 ⁴³
PC5 ⁴⁴
PC4 ⁴⁵
PC3 ⁴⁶
PC2 ⁴⁷
PC1 ⁴⁸
PC0 ⁴⁹
BC239
4k7 Ω
EEPROM tested
4k7 Ω
EEPROM not tested
4k7 Ω
680 Ω
680 Ω
680 Ω
680 Ω
Note:
For the MC68HC05B4, switches on PB5 and PB6 have no effect
All resistors are 10 kΩ, unless otherwise stated.
Figure A-3 MC68HC05B4 self-check schematic diagram
MC68HC05B6
Rev. 4
MC68HC05B4
14
TPG
MOTOROLA
A-7