Datasheet

Memory Map
Technical Data MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
44 Memory Map Freescale Semiconductor
$0014
TIM Channel 1
Register High
(TCH1H)
Read:
Bit15 Bit14 Bit13 Bit12 Bit11 Bit10 Bit9 Bit8
Write:
Reset: Indeterminate after reset
$0015
TIM Channel 1
Register Low
(TCH1L)
Read:
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Write:
Reset: Indeterminate after reset
$0016
Keyboard Status and
Control Register
(KBSCR)
Read: 0000KEYF 0
IMASKK MODEK
Write:
ACKK
Reset:00000000
$0017
Keyboard Interrupt
Enable Register
(KBIER)
Read:
KBIE7 KBIE6 KBIE5 KBIE4 KBIE3 KBIE2 KBIE1 KBIE0
Write:
Reset:00000000
$0018
USB Interrupt Register 2
(UIR2)
Read: 00000000
Write: EOPFR RSTFR TXD2FR RXD2FR TDX1FR
RESUMFR
TXD0FR RXD0FR
Reset:00000000
$0019
USB Control Register 2
(UCR2)
Read:
T2SEQ STALL2 TX2E RX2E TP2SIZ3 TP2SIZ2 TP2SIZ1 TP2SIZ0
Write:
Reset:00000000
$001A
USB Control Register 3
(UCR3)
Read: TX1ST 0
OSTALL0 ISTALL0
0
PULLEN ENABLE2 ENABLE1
Write:
TX1STR
Reset:000000*00
* PULLEN bit is reset by POR or LVI reset only.
$001B
USB Control Register 4
(UCR4)
Read: 00000
FUSBO FDP FDM
Write:
Reset:00000000
$001C
IRQ Option Control
Register
(IOCR)
Read: 00000PTE4IF
PTE4IE IRQPD
Write:
Reset:00000000
$001D
Port Option Control
Register
(POCR)
Read:
PTE20P PTDLDD PTDILDD PTE4P PTE3P PCP PBP PAP
Write:
Reset:00000000
Addr.Register Name Bit 7654321Bit 0
= Unimplemented R = Reserved U = Unaffected by reset
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 8)