
Timer Interface A (TIMA) Module
Data Sheet
MC68HC908EY16 — Rev. 5.0
228
Timer Interface A (TIMA) Module
MOTOROLA
Figure 17-1. Block Diagram Highlighting TIMA Block and Pins
SINGLE BREAKPOINT
BREAK MODULE
2-CHANNEL TIMER INTERFACE
MODULE B
5-BIT KEYBOARD
ARITHMETIC/LOGIC
UNIT (ALU)
CPU
REGISTERS
M68HC08 CPU
CONTROL AND STATUS REGISTERS
USER FLASH
USER RAM
MONITOR ROM
USER FLASH VECTOR SPACE
SINGLE EXTERNAL IRQ
MODULE
INTERNAL BUS
INTERRUPT MODULE
COMPUTER OPERATING
PROPERLY MODULE
VDDA
10-BIT ANALOG-TO-DIGITAL
CONVERTER MODULE
VSSA
2-CHANNEL TIMER INTERFACE
MODULE A
SECURITY
MODULE
POWER
VSS
VDD
POWER-ON RESET
MODULE
FLASH PROGRAMMING (BURN-IN) ROM
24 INTERNAL SYSTEM
INTEGRATION MODULE
INTERNAL CLOCK
GENERATOR MODULE
OSC1
RST
DDRE
PORT
E
DDRC
PO
R
T
C
DDR
B
PORT
B
DDRA
PORT
A
IRQ
SERIAL PERIPHERAL
INTERFACE MODULE
PTB7/AD7/TBCH1
PTB6/AD6/TBCH0
PTB5/AD5
PTB4/AD4
PTB3/AD3
PTB2/AD2
PTB1/AD1
PTC4/OSC1
PTC3/OSC2
PTC2/MCLK
PTC1/MOSI
PTC0/MISO
PTE0/TxD
PTE1/RxD
PTD0/TACH0
PTD1/TACH1
PTA4/KBD4
PTA3/KBD3
PTA2/KBD2
PTA1/KBD1
PTA0/KBD0
PTA5/SPSCK
PTB0/AD0
ENHANCED
SERIAL COMMUNICATION
INTERFACE MODULE
CONFIGURATION REGISTER
MODULE
DDR
D
PORT
D
OSC2
PERIODIC WAKEUP
TIMEBASE MODULE
ARBITER
MODULE
PRESCALER
MODULE
PTA6/SS
VREFH
VREFL
BEMF MODULE
1024 BYTES
64 BYTES
15,872 BYTES
512 BYTES
310 BYTES
36 BYTES