Infineon Technologies TC1796 - 23.5.4.2 Input;Output Control Register

TC1796
Peripheral Units (Vol. 2 of 2)
Micro Link Interface (MLI)
User’s Manual 23-133 V2.0, 2007-07
MLI, V2.0
23.5.4.2 Input/Output Control Register
The following pages describe all IOCR registers that contain MLI0/MLI1 related
input/output control bit fields. Shaded bits and bit fields are “don’t care” for MLI0/MLI1
I/O port control purposes.
Table 23-12 PCx Coding
PCx[3:0] I/O Output
Characteristics
Selected Pull-up/Pull-down/
Selected Output Function
0X00
B
Input – No pull device connected
0X01
B
Pull-down device connected
0X10
B
1)
1) This bit field value is default after reset.
Pull-up device connected
0X11
B
No pull device connected
1001
B
Output Push-pull Output function ALT1
1101
B
Open-drain Output function ALT1
1010
B
Push-pull Output function ALT2
1110
B
Open-drain Output function ALT2
1011
B
Push-pull Output function ALT3
1111
B
Open-drain Output function ALT3
P1_IOCR0
Port 1 Input/Output Control Register 0
(10
H
) Reset Value: 2020 2020
H
31 28 27 24 23 20 19 16 15 12 11 8 7 4 3 0
PC3 0 PC2 0 PC1 0 PC0 0
rw r rw r rw r rw r
Field Bits Type Description
PC3 [31:28] rw Port Input/Output Control for Port 1 Pins 0-3
1)
Port input/output control for P1.3/TREADY0B
1) Coding of bit field see Table 23-12. Shaded bits and bit fields are “don’t care” for MLI I/O port control.