MC68HC08GP32A Datasheet, PDF (88/258 Pages) Freescale Semiconductor, Inc – Microcontrollers

Keyboard Interrupt (KBI) Module
M68HC08 CPU
CPU
REGISTERS
ARITHMETIC/LOGIC
UNIT (ALU)
CONTROL AND STATUS REGISTERS
64 BYTES
USER ROM
MC68HC08GP32A — 32,256 BYTES
MC68HC08GP16A — 15,872 BYTES
USER RAM
512 BYTES
MONITOR ROM
307 BYTES
USER ROM VECTOR SPACE
36 BYTES
OSC1
OSC2
CLOCK GENERATOR MODULE
32-kHz OSCILLATOR
CGMXFC
PHASE-LOCKED LOOP
RST⁽³⁾
IRQ⁽³⁾
V_DDAD/V_REFH
V_SSAD/V_REFL
SYSTEM INTEGRATION
MODULE
SINGLE EXTERNAL
INTERRUPT MODULE
8-BIT ANALOG-TO-DIGITAL
CONVERTER MODULE
POWER-ON RESET
MODULE
INTERNAL BUS
PROGRAMMABLE TIMEBASE
MODULE
SINGLE BREAKPOINT BREAK
MODULE
DUAL VOLTAGE
LOW-VOLTAGE INHIBIT MODULE
8-BIT KEYBOARD
INTERRUPT MODULE
2-CHANNEL TIMER INTERFACE
MODULE 1
2-CHANNEL TIMER INTERFACE
MODULE 2
SERIAL COMMUNICATIONS
INTERFACE MODULE
COMPUTER OPERATING
PROPERLY MODULE
SERIAL PERIPHERAL
INTERFACE MODULE
MONITOR MODULE
MEMORY MAP
MODULE
MASK OPTION REGISTER 1
MODULE
PTA7/KBD7–
PTA0/KBD0⁽¹⁾
PTB7/AD7
PTB6/AD6
PTB5/AD5
PTB4/AD4
PTB3/AD3
PTB2/AD2
PTB1/AD1
PTB0/AD0
PTC6⁽¹⁾
PTC5⁽¹⁾
PTC4^{(1, 2)}
PTC3^{(1, 2)}
PTC2^{(1, 2)}
PTC1^{(1, 2)}
PTC0^{(1, 2)}
PTD7/T2CH1⁽¹⁾
PTD6/T2CH0⁽¹⁾
PTD5/T1CH1⁽¹⁾
PTD4/T1CH0⁽¹⁾
PTD3/SPSCK⁽¹⁾
PTD2/MOSI⁽¹⁾
PTD1/MISO⁽¹⁾
PTD0/SS⁽¹⁾
PTE1/RxD
PTE0/TxD
SECURITY
MODULE
V_DD
V_SS
V_DDA
V_SSA
POWER
MASK OPTION REGISTER 2
MODULE
1. Ports are software configurable with pullup device if input port.
2. Higher current drive port pins
3. Pin contains integrated pullup device
Figure 8-1. Block Diagram Highlighting KBI Block and Pins
MC68HC08GP32A • MC68HC08GP16A Data Sheet, Rev. 1.0
88
Freescale Semiconductor