MC68HC908JG16 Datasheet, PDF (29/324 Pages) Motorola, Inc – Microcontrollers

Technical Data — MC68HC908JG16
Section 1. General Description
1.1 Contents
1.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
1.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
1.4 MCU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
1.5 Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
1.6 Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
1.6.1
1.6.2
1.6.3
Power Supply Pins (V_DD, V_SS) . . . . . . . . . . . . . . . . . . . . . . . 33
Voltage Regulator Output Pin (V_REG). . . . . . . . . . . . . . . . . . 34
Oscillator Pins (OSC1 and OSC2) . . . . . . . . . . . . . . . . . . . . 35
1.6.4 External Reset Pin (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
1.6.5 External Interrupt Pins (IRQ, PTE4/D–) . . . . . . . . . . . . . . . . 35
1.6.6
1.6.7
1.6.8
Analog Power Supply Pins (V_DDA, V_SSA) . . . . . . . . . . . . . . . 35
Analog Voltage Regulator Out (V_REGA) . . . . . . . . . . . . . . . . 35
Port A Input/Output (I/O) Pins
(PTA7/KBA7/AD7–PTA0/KBA0/AD0) . . . . . . . . . . . . . . . 36
1.6.9 Port B I/O Pins (PTB0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
1.6.10 Port C I/O Pins (PTC1/RxD, PTC0/TxD) . . . . . . . . . . . . . . . 36
1.6.11 Port D I/O Pins (PTD3–PTD0) . . . . . . . . . . . . . . . . . . . . . . . 36
1.6.12 Port E I/O Pins (PTE4/D–, PTE3/D+, PTE2/T2CH01,
PTE1/T1CH01, PTE0/TCLK). . . . . . . . . . . . . . . . . . . . . . 36
1.2 Introduction
The MC68HC908JG16 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.
MC68HC908JG16 — Rev. 1.1
Freescale Semiconductor
General Description
Technical Data
29