MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 33

• Manufacturer Part Number: MC908JB8ADWE
• Description: IC MCU 3MHZ 8K FLASH 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908JB8ADWE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: USB
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: HC08JB
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: USB
• Maximum Clock Frequency: 3 MHz
• Number Of Programmable I/os: 37
• Number Of Timers: 2
• Operating Supply Voltage: 5.25 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68EML08GZE, KITUSBSPIDGLEVME, KITUSBSPIEVME, KIT33810EKEVME
• Minimum Operating Temperature: 0 C
• Controller Family/series: HC08
• No. Of I/o's: 21
• Ram Memory Size: 256Byte
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Embedded Interface Type: SCI, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
NOTE:
In 20-pin package, the PTD0 and PTD1 internal pads are bonded
together to PTD0/1 pin.
PTE1/TCH0
PTE1/TCH0
PTE3/D+
PTE4/D–
PTE3/D+
PTE4/D–
PTD0/1
OSC1
OSC2
OSC1
OSC2
PTD0
PTD1
PTD2
PTD3
PTD4
PTC0
PTC0
V
V
Figure 1-4. 20-Pin PDIP and SOIC Pin Assignments
V
V
V
REG
V
REG
DD
DD
SS
SS
Figure 1-3. 28-Pin SOIC Pin Assignments
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
General Description
20
19
18
17
16
15
14
13
12
11
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RST
PTA0/KBA0
PTA1/KBA1
PTA2/KBA2
PTA3/KBA3
PTE0/TCLK
PTE2/TCH1
PTA4/KBA4
PTA5/KBA5
PTA6/KBA6
PTA7/KBA7
PTD5
PTD6
IRQ
RST
PTA0/KBA0
PTA1/KBA1
PTA2/KBA2
PTA3/KBA3
PTA4/KBA4
PTA5/KBA5
PTA6/KBA6
PTA7/KBA7
IRQ
PTD0/1 pin: PTD0 and PTD1 internal pads are
Pins not available on 20-pin package:
Internal pads are unconnected.
Pins not available on 28-pin package:
Internal pads are unconnected.
PTB0
PTB1
PTB2
PTB3
PTB4
PTB5
PTB6
PTB7
PTB0
PTB1
PTB2
PTB3
PTB4
PTB5
PTB6
PTB7
bonded together to PTD0/1 pin.
PTC1
PTC2
PTC3
PTC4
PTC5
PTC6
PTC7
PTC1
PTC2
PTC3
PTC4
PTC5
PTC6
PTC7
General Description
PTD3
PTD4
PTD5
PTD6
PTD7
PTD2
Pin Assignments
Technical Data
PTD7
PTE0/TCLK
PTE2/TCH1
33