Advance Information
UM-TM57PE10_E
8-Bit Microcontroller
28
tenx technology inc.
Preliminary
Rev 1.4, 2012/01/19
4.2 PA3-6, PB0-7
These pins are almost the same as PA0-2, except they do not support pseudo-open-drain mode. They
can be used in pure open-drain mode, instead.
D
Q
D
Q
D
Q
WR_PxD
WR_PxE
DATA
Write
Pin
PxE
SN
RN
SYS_RESE
Tn
RN
WR_nPxPU
nPxPU
1
0
RD_PxD
Read_Modify_Write
R
pull-up
PxD
Port
Pre-Driver
MP
MR
MN
DATA
Read
4.3 PA7
PA7 can be only used in Schmitt-trigger input mode. The pull-up resistor is always connected to this pin.
D
Q
WR_PAD
DATA
Write
Pin
SN
SYS_RESETn
1
0
RD_PAD
Read_Modify_Write
R
pull-up
PAD
DATA
Read
MN
Drive
PxE
PxD
PA3-6 PB0-7, nPxPU=0
MN
Drive
MN
Drive
MR
Drive
MP
Drive