mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 364

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

Memory map/register definition
16.3.1 LLWU Pin Enable 1 Register (LLWU_PE1)
LLWU_PE1 contains the bit field to enable and select the edge detect type for the
external wakeup input pins LLWU_P3-LLWU_P0.
Address: LLWU_PE1 is FFFF_80B0h base + 0h offset = FFFF_80B0h
364
WUPE3
WUPE2
WUPE1
WUPE0
Reset
Field
Read
7–6
5–4
3–2
1–0
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.
Wakeup Pin Enable for LLWU_P3
Enables and configures the edge detection for the wakeup pin.
00
01
10
11
Wakeup Pin Enable for LLWU_P2
Enables and configures the edge detection for the wakeup pin.
00
01
10
11
Wakeup Pin Enable for LLWU_P1
Enables and configures the edge detection for the wakeup pin.
00
01
10
11
Wakeup Pin Enable for LLWU_P0
7
0
WUPE3
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
0
6
MCF51JF128 Reference Manual, Rev. 2, 03/2011
LLWU_PE1 field descriptions
Table continues on the next page...
0
5
WUPE2
Preliminary
NOTE
0
4
Description
0
3
WUPE1
0
2
Reset
Freescale Semiconductor, Inc.
0
1
WUPE0
0
0