XC705B32CFNE Freescale Semiconductor, XC705B32CFNE Datasheet - Page 208

• Manufacturer Part Number: XC705B32CFNE
• Description: IC MCU 2.1MHZ 32K OTP 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of XC705B32CFNE

• 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: 52-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14
E.4.4.1
PD4 must be high during the first 49 program cycles and pulled low before the 68th cycle for
immediate jump execution at address $0050.
Freescale
E-20
3 x 4.7kΩ
Jump to start of RAM ($0050)
+5V
Figure E-10 RAM parallel bootstrap schematic diagram
20
23
25
24
21
2
VPP
1
CE
A11
A12
A8
A9
A10
14
26
GND
NC
2764
U1
100kΩ
0.01µF
+5V
27
PGM
1N914
OE
28
VCC
A0
A1
A2
A3
A4
A5
A6
A7
D0
D1
D2
D3
D4
D5
D6
D7
22
1kΩ
10
12
13
15
16
17
18
19
11
8
RESET
9
7
6
5
4
3
MC68HC705B16
16 x 100kΩ
1.0µF
RUN
+
1N914
U2 MC68HC705B16
IRQ
RESET
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB6
PB7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
TCAP1
MCU (socket)
VSS
TCMP2
TCMP1
TCAP2
VDD
OSC1
OSC2
PLMB
PLMA
SCLK
VPP6
VPP1
TDO
VRH
PD4
VRL
PD7
PD6
PD5
PD3
PD2
PD1
PD0
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
RDI
NC
22pF
100µF
+5V
4.0 MHz
22pF
18 x 100 kΩ
+
MC68HC05B6
P1
Rev. 4.1
1
2
GND
+5V