Datasheet

Input/Output (I/O) Section
MC68HC908GR16 Data Sheet, Rev. 5.0
Freescale Semiconductor 31
$0012
SPI Data Register
(SPDR)
See page 215.
Read: R7 R6 R5 R4 R3 R2 R1 R0
Write: T7 T6 T5 T4 T3 T2 T1 T0
Reset: Unaffected by reset
$0013
ESCI Control Register 1
(SCC1)
See page 161.
Read:
LOOPS ENSCI TXINV M WAKE ILTY PEN PTY
Write:
Reset:00000000
$0014
ESCI Control Register 2
(SCC2)
See page 163.
Read:
SCTIE TCIE SCRIE ILIE TE RE RWU SBK
Write:
Reset:00000000
$0015
ESCI Control Register 3
(SCC3)
See page 164.
Read: R8
T8 R R ORIE NEIE FEIE PEIE
Write:
Reset:U0000000
$0016
ESCI Status Register 1
(SCS1)
See page 165.
Read: SCTE TC SCRF IDLE OR NF FE PE
Write:
Reset:11000000
$0017
ESCI Status Register 2
(SCS2)
See page 168.
Read: 000000BKFRPF
Write:
Reset:00000000
$0018
ESCI Data Register
(SCDR)
See page 168.
Read: R7 R6 R5 R4 R3 R2 R1 R0
Write: T7 T6 T5 T4 T3 T2 T1 T0
Reset: Unaffected by reset
$0019
ESCI Baud Rate Register
(SCBR)
See page 169.
Read:
LINT LINR SCP1 SCP0 R SCR2 SCR1 SCR0
Write:
Reset:00000000
$001A
Keyboard Status
and Control Register
(INTKBSCR)
See page 109.
Read: 0000KEYF 0
IMASKK MODEK
Write:
ACKK
Reset:00000000
$001B
Keyboard Interrupt Enable
Register (INTKBIER)
See page 110.
Read:
KBIE7 KBIE6 KBIE5 KBIE4 KBIE3 KBIE2 KBIE1 KBIE0
Write:
Reset:00000000
$001C
Timebase Module Control
Register (TBCR)
See page 220.
Read: TBIF
TBR2 TBR1 TBR0
0
TBIE TBON R
Write:
TACK
Reset:00000000
$001D
IRQ Status and Control
Register (INTSCR)
See page 103.
Read: 0000IRQF0
IMASK MODE
Write:
ACK
Reset:00000000
Addr.Register Name Bit 7654321Bit 0
= Unimplemented R = Reserved U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 8)