mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 328

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mc68hc708mp16

Manufacturer Part Number
mc68hc708mp16
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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Input/Output (I/O) Ports
15.7 Port E
15.7.1 Port E Data Register
Technical Data
328
NOTE:
Address:
Port E is an 8-bit special function port that shares three of its pins with
the timer A interface module (TIMA) and five of its pins with the timer B
interface module (TIMB).
The port E data register (PTE) contains a data latch for each of the eight
port E pins.
PTE[7:0] — Port E Data Bits
Data direction register E (DDRE) does not affect the data direction of
port E pins that are being used by the TIMA or TIMB. However, the
DDRE bits always determine whether reading port E returns the states
of the latches or the states of the pins.
Reset:
Read:
Write:
PTE[7:0] are read/write, software-programmable bits. Data direction
of each port E pin is under the control of the corresponding bit in data
direction register E.
$0003
PTE7
Bit 7
Figure 15-13. Port E Data Register (PTE)
Input/Output (I/O) Ports
PTE6
6
PTE5
5
Unaffected by reset
PTE4
4
PTE3
3
MC68HC708MP16
PTE2
Freescale Semiconductor
2
PTE1
1
Rev. 3.1
PTE0
Bit 0

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