MC68HC908AP8CB Freescale Semiconductor, MC68HC908AP8CB Datasheet - Page 156
MC68HC908AP8CB
Manufacturer Part Number
MC68HC908AP8CB
Description
IC MCU 8K FLASH 8MHZ 42SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AP8CFBE.pdf
(324 pages)
Specifications of MC68HC908AP8CB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Serial Communications Interface Module (SCI)
11.3 Pin Name Conventions
The generic names of the SCI I/O pins are:
SCI I/O (input/output) lines are implemented by sharing parallel I/O port pins. The full name of an SCI
input or output reflects the name of the shared port pin.
names of the SCI I/O pins. The generic pin names appear in the text of this section.
156
$0013
$0014
$0015
$0016 SCI Status Register 1 (SCS1)
$0017 SCI Status Register 2 (SCS2)
$0018
$0019
Addr.
•
•
RxD (receive data)
TxD (transmit data)
SCI Baud Rate Register
Register Name
SCI Control Register 1
SCI Control Register 2
SCI Control Register 3
SCI Data Register
When the SCI is enabled, the TxD pin is an open-drain output and requires
a pullup resistor to be connected for proper SCI operation.
(SCDR)
(SCBR)
(SCC1)
(SCC2)
(SCC3)
Generic Pin Names:
Full Pin Names:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Figure 11-1. SCI I/O Register Summary
Table 11-1. Pin Name Conventions
MC68HC908AP Family Data Sheet, Rev. 4
LOOPS
SCTIE
SCTE
Bit 7
R8
R7
T7
U
0
0
1
0
0
0
= Unimplemented
ENSCI
TCIE
TC
R6
T8
T6
U
6
0
0
1
0
0
0
NOTE
DMARE
SCRIE
TXINV
SCRF
SCP1
R5
T5
5
0
0
0
0
0
0
Table 11-1
PTB3/RxD
R = Reserved
RxD
DMATE
Unaffected by reset
SCP0
IDLE
ILIE
R4
T4
M
4
0
0
0
0
0
0
shows the full names and the generic
WAKE
ORIE
OR
TE
R3
T3
R
3
0
0
0
0
0
0
PTB2/TxD
U = Unaffected
SCR2
TxD
NEIE
ILTY
RE
NF
R2
T2
2
0
0
0
0
0
0
Freescale Semiconductor
SCR1
RWU
FEIE
PEN
BKF
FE
R1
T1
1
0
0
0
0
0
0
SCR0
PEIE
Bit 0
PTY
SBK
RPF
PE
R0
T0
0
0
0
0
0
0
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