MC68HC908GR16CFJ Freescale Semiconductor, MC68HC908GR16CFJ Datasheet - Page 133
MC68HC908GR16CFJ
Manufacturer Part Number
MC68HC908GR16CFJ
Description
IC MCU 16K FLASH 8MHZ SPI 32LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68908GR16CFJE.pdf
(276 pages)
Specifications of MC68HC908GR16CFJ
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
LIN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
21
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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12.6 Port E
Port E is a 6-bit special-function port that shares two of its pins with the enhanced serial communications
interface (ESCI) module.
12.6.1 Port E Data Register
The port E data register contains a data latch for each of the six port E pins.
PTE5–PTE0 — Port E Data Bits
RxD — SCI Receive Data Input
TxD — SCI Transmit Data Output
Freescale Semiconductor
These read/write bits are software-programmable. Data direction of each port E pin is under the control
of the corresponding bit in data direction register E. Reset has no effect on port E data.
The PTE1/RxD pin is the receive data input for the ESCI module. When the enable SCI bit, ENSCI, is
clear, the ESCI module is disabled, and the PTE1/RxD pin is available for general-purpose I/O. See
Chapter 14 Enhanced Serial Communications Interface (ESCI)
The PTE0/TxD pin is the transmit data output for the ESCI module. When the enable SCI bit, ENSCI,
is clear, the ESCI module is disabled, and the PTE0/TxD pin is available for general-purpose I/O. See
Chapter 14 Enhanced Serial Communications Interface (ESCI)
Alternative
Function:
Address:
Data direction register E (DDRE) does not affect the data direction of port
E pins that are being used by the ESCI module. However, the DDRE bits
always determine whether reading port E returns the states of the latches
or the states of the pins. See
Reset:
Read:
Write:
$0008
Bit 7
0
= Unimplemented
Figure 12-17. Port E Data Register (PTE)
6
0
MC68HC908GR16 Data Sheet, Rev. 5.0
PTE5
5
Table
NOTE
Unaffected by reset
PTE4
12-6.
4
PTE3
3
Module.
Module.
PTE2
2
PTE1
RxD
1
PTE0
Bit 0
TxD
Port E
133
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