MC68HC908GR8CD Freescale Semiconductor, MC68HC908GR8CD Datasheet - Page 31

• Manufacturer Part Number: MC68HC908GR8CD
• Description: 8-bit Microcontrollers - MCU 8 Bit 8MHz
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC908GR8CD

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: HC08
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 384 B
• Operating Supply Voltage: 3 V to 5 V
• Package / Case: SOIC-28
• Mounting Style: SMD/SMT
• Data Rom Size: 64 KB
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 21
• Program Memory Type: Flash

Freescale Semiconductor
$001C
$001D
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
Addr.
Time Base Module Control
Keyboard Interrupt Enable
SCI Baud Rate Register
IRQ Status and Control
Register Name
SCI Control Register 1
SCI Control Register 2
SCI Control Register 3
SCI Status Register 1
SCI Status Register 2
Register (INTKBIER)
and Control Register
Register (INTSCR)
SCI Data Register
SPI Data Register
Keyboard Status
Register (TBCR)
(INTKBSCR)
Figure 2-2. Control, Status, and Data Registers (Sheet 3 of 7)
(SPDR)
(SCDR)
(SCBR)
(SCC1)
(SCC2)
(SCC3)
(SCS1)
(SCS2)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
LOOPS
SCTIE
SCTE
Bit 7
TBIF
R7
R8
R7
T7
T7
U
0
0
1
0
0
0
0
0
0
0
0
0
0
= Unimplemented
ENSCI
TBR2
TCIE
R6
TC
R6
T6
T8
T6
U
6
0
0
1
0
0
0
0
0
0
0
0
0
0
SCRIE
TXINV
SCRF
SCP1
TBR1
R5
R5
T5
T5
R
5
0
0
0
0
0
0
0
0
0
0
0
0
0
R = Reserved
Unaffected by reset
Unaffected by reset
SCP0
TBR0
IDLE
ILIE
R4
R4
T4
T4
M
R
4
0
0
0
0
0
0
0
0
0
0
0
0
0
WAKE
KBIE3
IRQF1
TACK
KEYF
ORIE
OR
R3
TE
R3
T3
T3
R
3
0
0
0
0
0
0
0
0
0
0
0
0
KBIE2
SCR2
ACKK
ACK1
NEIE
TBIE
ILTY
RE
R2
T2
NF
R2
T2
U = Unaffected
2
0
0
0
0
0
0
0
0
0
0
0
0
0
Register Summary
IMASKK
IMASK1
KBIE1
TBON
SCR1
RWU
FEIE
PEN
BKF
R1
T1
FE
R1
T1
1
0
0
0
0
0
0
0
0
0
0
MODEK
MODE1
KBIE0
SCR0
PEIE
Bit 0
PTY
SBK
RPF
PE
R0
T0
R0
T0
R
0
0
0
0
0
0
0
0
0
0
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