Datasheet

Analog Integrated Circuit Device Data
133 Freescale Semiconductor
MC34708
Functional Block Description
SRE[1:0] 15-14 R/W RESETB 0x0
Slew rate enable
00: slow (default)
01: normal
10: fast
11: very fast
Unused 23-16 R 0x00
Not available
Table 141. Register 36, GPIOLV3 Control
Name Bit # R/W Reset Default Description
DIR 0 R/W RESETB 0x0
GPIOLV3 direction
0: Input
1: Output
DIN 1 R/W RESETB 0x0
Input state of GPIOLV3 pin
0: Input low
1: Input High
DOUT 2 R/W RESETB 0x0
Output state of GPIOLV3 pin
0: Output Low
1: Output High
HYS 3 R/W RESETB 0x1
Hysteresis
0: CMOS in
1: Hysteresis
DBNC[1:0] 5-4 R/W RESETB 0x0
GPIOLV3 input debounce time
00: no debounce
01: 10 ms debounce
10: 20 ms debounce
11: 30 mS debounce
INT[1:0] 7-6 R/W RESETB 0x0
GPIOLV3 interrupt control
00: None
01: Falling edge
10: Rising edge
11: Both edges
PKE 8 R/W RESETB 0x0
Pad keep enable
0: Off
1: On
ODE 9 R/W RESETB 0x0
Open drain enable
0: CMOS
1: OD
DSE 10 R/W RESETB 0x0
Drive strength enable
0: 4.0 mA
1: 8.0 mA
PUE 11 R/W RESETB 0x1
Pull-up/down enable
0: pull-up/down off
1: pull-up/down on (default)
PUS[1:0] 13-12 R/W RESETB 0x3
Pull-up/Pull-down select
00: 10 K pull-down
01: 100 K pull-down
10: 10 K pull-up
11: 100 K pull-up
Table 140. Register 35, GPIOLV2 Control
Name Bit # R/W Reset Default Description