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Page v
MOTOROLA
MC68HC05G3 (705G4) Specification Rev. 1.1
6.8
PORT H ....................................................................................67
6.8.1
PORT H DATA REGISTER (PORTH) .................................67
6.8.2
PORT H DATA DIRECTION REGISTER (DDRH) ..............68
6.9
PORT J .....................................................................................68
6.9.1
PORT J DATA REGISTER (PORTJ) ..................................68
SECTION 7
SERIAL PERIPHERAL INTERFACE (SPI) ................... 69
7.1
FEATURES...............................................................................69
7.2
FUNCTIONAL DESCRIPTIONS ...............................................69
7.2.1
INTERNAL BLOCK DESCRIPTIONS .................................70
7.3
SIGNAL DESCRIPTIONS.........................................................72
7.3.1
SPI DATA I/O (SDI and SDO) .............................................72
7.3.2
SERIAL CLOCK (SCK) .......................................................73
7.4
REGISTERS .............................................................................73
7.4.1
SERIAL PERIPHERAL CONTROL REGISTER (SPCRx)...74
7.4.2
SERIAL PERIPHERAL STATUS REGISTER (SPSRx) ......76
7.4.3
SERIAL PERIPHERAL DATA REGISTER (SPDRx)...........78
7.5
PORT FUNCTION ....................................................................79
SECTION 8
TIMER SYSTEM............................................................. 81
8.1
TIMER 1....................................................................................81
8.1.1
COUNTER...........................................................................82
8.1.2
OUTPUT COMPARE REGISTER .......................................83
8.1.3
INPUT CAPTURE REGISTER ............................................84
8.1.4
TIMER CONTROL REGISTER (TCR) $12 .........................85
8.1.5
TIMER STATUS REGISTER (TSR) $13 .............................86
8.1.6
TIMER DURING WAIT MODE ............................................87
8.1.7
TIMER DURING STOP MODE ...........................................87
8.2
TIMER 2....................................................................................88
8.3
PRESCALER ............................................................................92
8.4
TIMER I/O PINS .......................................................................92
8.4.1
TIMER INPUT 1 (TCAP) .....................................................92
8.4.2
TIMER INPUT 2 (EVI) .........................................................93
8.4.3
TIMER OUTPUT 1 (TCMP) .................................................95
8.4.4
TIMER OUTPUT 2 (EVO) ...................................................95
8.5
TIMER REGISTERS .................................................................97
8.5.1
TIMER CONTROL REGISTER 2 (TCR2) ...........................97
8.5.2
TIMER STATUS REGISTER 2 (TSR2) ...............................99
8.5.3
OUTPUT COMPARE REGISTER 2 (OC2) .......................100
8.5.4
TIMER COUNTER 2 (TCNT2) ..........................................100
8.5.5
TIMER BASE CONTROL REGISTER 1 (TBCR1) ............101
SECTION 9
PULSE WIDTH MODULATOR .................................... 103
9.1
GENERAL...............................................................................103
9.2
PWM CONTROL REGISTER (PWMCR)................................105
9.3
PWM DUTY REGISTER (PWMDRx)......................................105
9.4
PWM COUNTER (PWMCNT).................................................106