mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 367

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

16.3.4 LLWU Pin Enable 4 Register (LLWU_PE4)
LLWU_PE4 contains the bit field to enable and select the edge detect type for the
external wakeup input pins LLWU_P15-LLWU_P12.
Address: LLWU_PE4 is FFFF_80B0h base + 3h offset = FFFF_80B3h
Freescale Semiconductor, Inc.
WUPE10
WUPE9
WUPE8
Field
Reset
5–4
3–2
1–0
Read
Write
Bit
This register is reset on Chip Reset not VLLS and by reset
types that trigger Chip Reset not VLLS. It is unaffected by reset
types that do not trigger Chip Reset not VLLS. See the
details for more information.
10
11
Wakeup Pin Enable for LLWU_P10
Enables and configures the edge detection for the wakeup pin.
00
01
10
11
Wakeup Pin Enable for LLWU_P9
Enables and configures the edge detection for the wakeup pin.
00
01
10
11
Wakeup Pin Enable for LLWU_P8
Enables and configures the edge detection for the wakeup pin.
00
01
10
11
7
0
WUPE15
External input pin enabled with falling edge detection
External input pin enabled with any change detection
External input pin disabled as wakeup input
External input pin enabled with rising edge detection
External input pin enabled with falling edge detection
External input pin enabled with any change detection
External input pin disabled as wakeup input
External input pin enabled with rising edge detection
External input pin enabled with falling edge detection
External input pin enabled with any change detection
External input pin disabled as wakeup input
External input pin enabled with rising edge detection
External input pin enabled with falling edge detection
External input pin enabled with any change detection
LLWU_PE3 field descriptions (continued)
0
6
MCF51JF128 Reference Manual, Rev. 2, 03/2011
0
5
WUPE14
Preliminary
NOTE
0
4
Description
0
3
Chapter 16 Low Leakage Wakeup Unit (LLWU)
WUPE13
0
2
Reset
0
1
WUPE12
0
0
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