XC68HC705B32CB Freescale Semiconductor, XC68HC705B32CB Datasheet - Page 233

• Manufacturer Part Number: XC68HC705B32CB
• Description: IC MCU 2.1MHZ 32K OTP 56-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of XC68HC705B32CB

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SCI
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Eeprom Size: 256 x 8
• Ram Size: 528 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 56-SDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

MC68HC05B6
Rev. 4.1
Boot
Erase check
red LED — programming failed
green LED — programming OK
green LED — EPROM erased
red LED — EPROM not erased
Note:
20
25
24
21
23
2
CE
A8
A9
A10
A11
A12
VPP PGM
1
This circuit is recommended for programming only at 25°C and not for use in the
end application, or at temperatures other than 25°C. If used in the end application,
VPP6 should be tied to VDD to avoid damaging the device.
14
GND
27C256
27
100kΩ
0.01µF
Figure F-7 EPROM parallel bootstrap schematic diagram
1N914
OE
+5V
28
VCC
A14
A13
A0
A1
A2
A3
A4
A5
A6
A7
D0
D1
D2
D3
D4
D5
D6
D7
22
1kΩ
26
10
12
13
15
16
17
18
19
11
9
8
7
6
5
4
3
RESET
470Ω
470Ω
green LED
red LED
1.0µF
RUN
MC68HC705B16N
+
1N914
TCAP1
IRQ
RESET
NC
TCMP1
VPP1
PLMA
PLMB
SCLK
TDO
TCMP2
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
MC68HC705B16N
VRH
MCU
VSS
TCAP2
OSC1
OSC2
VPP6
VDD
VRL
PD7
PD6
PD5
PD3
PD2
PD1
PD0
PD4
PC7
PC5
PC6
PC4
PC3
PC2
PC1
PC0
RDI
100 kΩ
4k7Ω
100µF
22pF
4k7Ω
Erase verify & boot
EPROM
+5V
10k Ω
A12
A11
A10
A9
A8
+
4.0 MHz
22pF
EPROM
HDSK out
HDSK in
check
BC239C
Short circuit if
handshake not used
12 kΩ
P1
1 kΩ
1nF
1
2
3
47µF
+
GND
+5V
V
+
PP
Freescale
Erase check &
(EPROM only)
EPROM verify
boot (EPROM
Erase check
& EEPROM)
& boot
F-15
14