mc68hc08ln56 Freescale Semiconductor, Inc, mc68hc08ln56 Datasheet - Page 19

• Manufacturer Part Number: mc68hc08ln56
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

CGMXFC
IRQ1/V
OSC1
OSC2
IRQ2
AV
AV
CONTROL AND STATUS REGISTERS — 96 BYTES
V
RST
V
V
V
V
DDA
SSA
REGISTERS
RH
DD
DD
PP
SS
SS
CPU
USER EPROM / OTPROM— 56K BYTES
USER RAM — 1280 BYTES
POWER
M68HC08 CPU
SYSTEM INTEGRATION
CONVERTER MODULE
ANALOG TO DIGITAL
CLOCK GENERATOR
POWER-ON RESET
ARITHMETIC/LOGIC
MODULE
MODULE
MODULE
MODULE
IRQ
UNIT (ALU)
Figure 1-1. MC68HC08LN56/708LN56 Block Diagram
SERIAL COMMUNICATIONS INTERFACE
COMPUTER OPERATING PROPERLY
SERIAL PERIPHERAL INTERFACE
SERIAL PERIPHERAL INTERFACE
KEYBOARD INTERRUPT
LOW-VOLTAGE INHIBIT
TIME BASE MODULE
TIMER INTERFACE
LCD CONTROLLER
INTERNAL BUS
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
MODULE
BREAK
LCD RAM 160
PA7/KB7–PA0/KB0
PB0/AD0
PB1/AD1
PB2/AD2
PB3/AD3
PB4
PB5
PB6
PB7
PC7–PC0
PD0/MISO1
PD1/MOSI1
PD2/SS1
PD3/SCK1
PD4/SCK2
PD5/SS2
PD6/MOSI2
PD7/MISO2
PE0/TCH0
PE1/TCH1
PE2/TCH2
PE3/TCH3
PE4/TCLK
PE5/TxD
PE6/RxD
PF0
PF1
PF2
PF3
V
V
V
V
V
V
V
BP0–31
FP0–39
LL
LLH
LL
LL
LL
LL
LL
1
2
5
6
7