MC68HC05X16 Datasheet, PDF (203/232 Pages) Freescale Semiconductor, Inc – High-density complementary metal oxide semiconductor HCMOS) microcontroller unit

Freescale Semiconductor, Inc.
RESET
RUN 1N914
100kΩ
1kΩ
1N914
1.0mF
+
TCAP1 VRH VDD
IRQ
OSC1
RESET
OSC2
0.01mF
Boot
red LED — programming failed
green LED — programming OK
Erase check
green LED — EPROM erased
red LED — EPROM not erased
+5V
red LED
470Ω
470Ω
green LED
NC
TCMP1
VPP1
PLMA
PLMB
RDI
VRL
TCAP2
PD7
PD6
PD5
PD3
PD2
PD1
PD0
MC68HC705X32
MCU
PD4
1 27 28
VPP PGM VCC
A14
A13 ²⁶
20
CE
27C256
10
A0
A1
A2
A3
A4
A5
A6
A7
9
8
7
6
5
4
3
SCLK
TDO
TCMP2
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
VPP6
PC7
25
24
21
23
2
A8
A9
A10
A11
A12
GND
14
D0
D1
D2
D3
D4
D5
D6
D7
11
12
13
15
16
17
18
19
OE
22
PA0
PA1
PC5
PA2
PC6
PA3
PA4
PC4
PA5
PC3
PA6
PC2
PA7
PC1
VSS ^PC0
100mF +
P1 1 _GND
2
3
+5V
V_PP
47mF ₊
4.0 MHz
22pF
22pF
Erase check & boot
Verify
EPROM
EPROM erase
check
Program
EPROM
RAM
EPROM
1 kΩ
10kΩ
4k7Ω
4k7Ω
12 kΩ
BC239C
1nF ⁺
100 kΩ
+5V
HDSK out
Short circuit if
handshake not used
A12 ^{HDSK in}
A11
A10
A9
A8
Figure B-6 EPROM parallel bootstrap schematic diagram
Warning: A minimum V_PP6R voltage must be applied to the VPP6 pin at all times, including
power-on. Failure to do so could result in permanent damage to the device. Unless
otherwise stated, EPROM programming is guaranteed at ambient temperature (25°C)
only.
MC68HC05X16
MC68HC705X32
For More Information On This Product,
Go to: www.freescale.com
15
B-19