MC68HC908BD48IFB Freescale Semiconductor, MC68HC908BD48IFB Datasheet - Page 117

• Manufacturer Part Number: MC68HC908BD48IFB
• Description: IC MCU 48K FLASH 6MHZ USB 44PQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908BD48IFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 6MHz
• Connectivity: I²C, USB
• Peripherals: POR, PWM
• Number Of I /o: 32
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

MC68HC908BD48
Freescale Semiconductor
1 µF
1 µF
2
3
5
DB9
+
+
7
8
1
3
4
5
C1+
C1–
C2+
C2–
NOTES:
MAX232
—
Rev. 2.1
Position A — Bus clock = OSCXCLK ÷ 4
Position B — Bus clock = OSCXCLK ÷ 2
GND
V
V+
V–
CC
16
15
2
10
6
9
V
DD
+
Figure 9-1. Monitor Mode Circuit
+
1 µF
1 µF
2
74HC125
1
+
3
1 µF
Monitor ROM (MON)
74HC125
6
V
TST
4
5
V
DD
10 k
20 pF
1 k
8.5 V
20 pF
10 kΩ
(See
NOTES)
9.83 MHz
V
DD
A
X1
B
0.1 µF
0.1 µF
10 MΩ
V
10 kΩ
10 kΩ
10 kΩ
DD
V
Monitor ROM (MON)
V
V
DD
DD
DD
OSC1
OSC2
PTC0
PTC1
PTA7
68HC908BD48
RST
V
V
V
IRQ
PTA0
PTC3
Data Sheet
SS
SS1
DD
117