mc68hc908jb16 Freescale Semiconductor, Inc, mc68hc908jb16 Datasheet - Page 29

• Manufacturer Part Number: mc68hc908jb16
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

1.1 Contents
1.2 Introduction
MC68HC908JB16
Freescale Semiconductor
Technical Data — MC68HC908JB16
—
Rev. 1.1
1.2
1.3
1.4
1.5
1.6
1.6.1
1.6.2
1.6.3
1.6.4
1.6.5
1.6.6
1.6.7
1.6.8
1.6.9
1.6.10
1.6.11
1.6.12
1.6.13
1.6.14
The MC68HC908JB16 is a member of the low-cost, high-performance
M68HC08 Family of 8-bit microcontroller units (MCUs). The M68HC08
Family is based on the customer-specified integrated circuit (CSIC)
design strategy.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
MCU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Power Supply Pins (V
Voltage Regulator Output Pin (V
Oscillator Pins (OSC1 and OSC2) . . . . . . . . . . . . . . . . . . . . 35
External Reset Pin (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
External Interrupt Pins (IRQ, PTE4/D–) . . . . . . . . . . . . . . . . 35
CGM Power Supply Pins (V
CGM Voltage Regulator Out (V
CGM Voltage Regulator In (V
External Filter Capacitor Pins (CGMXFC1, CGMXFC2) . . . 36
CGM Clock Output Pins (CGMOUT1, CGMOUT2) . . . . . . . 36
Port A Input/Output (I/O) Pins (PTA7/KBA7–PTA0/KBA0). . 36
Port C I/O Pins (PTC1/RxD, PTC0/TxD) . . . . . . . . . . . . . . . 37
Port D I/O Pins (PTD5–PTD0) . . . . . . . . . . . . . . . . . . . . . . . 37
Port E I/O Pins (PTE4/D–, PTE3/D+, PTE2/T2CH01,
PTE1/T1CH01, PTE0/TCLK). . . . . . . . . . . . . . . . . . . . . . 37
General Description
Section 1. General Description
DD
, V
SS
DDA
REGA1
) . . . . . . . . . . . . . . . . . . . . . . . 34
REGA0
, V
REG
SSA0
) . . . . . . . . . . . . . . . . . . 36
). . . . . . . . . . . . . . . . . . 34
) . . . . . . . . . . . . . . . . . 36
, V
SSA1
) . . . . . . . . . 36
Technical Data
29