MC68HC908AP8CB Freescale Semiconductor, MC68HC908AP8CB Datasheet - Page 232
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
-
- Current page: 232 of 324
- Download datasheet (4Mb)
Multi-Master IIC Interface (MMIIC)
14.3 I/O Pins
The MMIIC module uses two I/O pins, shared with standard port I/O pins. The full name of the MMIIC I/O
pins are listed in
The SDA and SDL pins are open-drain. When configured as general purpose output pins (PTB0 and
PTB1), pullup resistors must be connected to these pins.
14.4 Multi-Master IIC System Configuration
The multi-master IIC system uses a serial data line SDA and a serial clock line SCL for data transfer. All
devices connected to it must have open collector (drain) outputs and the logical-AND function is
performed on both lines by two pull-up resistors.
230
$004C
$004D
$0048
$0049
$004A
$004B
$004E
$004F
Addr.
MMIIC Generic Pin Names:
MMIIC CRC Data Register
MMIIC Frequency Divider
MMIIC Control Register 1
MMIIC Control Register 2
MMIIC Address Register
MMIIC Status Register
Register Name
MMIIC Data Transmit
MMIIC Data Receive
SDA
SCL
Table
(MMCRDR)
(MMADR)
(MMCR1)
(MMCR2)
(MMDTR)
(MDDRR)
(MMFDR)
(MMSR)
Register
Register
Register
14-1. The generic pin name appear in the text that follows.
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read: MMRXIF
Read:
Read:
Read: MMCRCD7 MMCRCD6 MMCRCD5 MMCRCD4 MMCRCD3 MMCRCD2 MMCRCD1 MMCRCD0
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Figure 14-1. MMIIC I/O Register Summary
Table 14-1. Pin Name Conventions
MC68HC908AP Family Data Sheet, Rev. 4
MMALIF
MMRD7
MMAD7
MMTD7
MMEN
Full MCU Pin Names:
Bit 7
1
0
0
0
0
0
0
0
0
0
0
PTB0/SDA
PTB1/SCL
= Unimplemented
MMNAKIF
MMTXIF
MMRD6
MMAD6
MMTD6
MMIEN
6
0
0
0
0
0
0
0
0
0
0
0
MMCLRBB
MMATCH
MMRD5
MMAD5
MMTD5
MMBB
5
1
0
0
0
0
0
0
0
0
0
MMSRW
MMRD4
MMAD4
MMAST
MMTD4
4
0
0
0
0
0
0
0
0
0
0
Pin Selected for MMIIC Function By:
MMEN bit in MMCR1 ($0049)
MMTXAK
MMRXAK MMCRCBF MMTXBE
MMAD3
MMRD3
MMTD3
MMRW
3
0
0
0
1
0
0
0
0
0
REPSEN
MMAD2
MMRD2
MMBR2
MMTD2
2
0
0
0
0
0
0
0
0
1
Freescale Semiconductor
MMCRCBYTE
MMAD1
MMRD1
MMBR1
MMTD1
1
0
0
0
0
1
0
0
0
0
MMEXTAD
MMCRCEF
Unaffected
MMRXBF
MMTD0
MMRD0
MMBR0
Bit 0
0
0
0
0
0
0
0
0
Related parts for MC68HC908AP8CB
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: