HMS99C52 Datasheet, PDF (8/43 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

44-MQFP Pin Configuration (top view)
HMS99C5X Series
P1.5
1
P1.6
2
P1.7
3
RESET
4
RxD / P3.0
5
N.C.*
6
TxD / P3.1
7
INT0 / P3.2
8
INT1 / P3.3
9
T0 / P3.4
10
T1 / P3.5
11
N.C.: Do not connect.
33
P0.4 / AD4
32
P0.5 / AD5
31
P0.6 / AD6
30
P0.7 / AD7
29
EA / VPP
28
N.C.*
27
ALE / PROG
26
PSEN
25
P2.7 / A15
24
P2.6 / A14
23
P2.5 / A13
4
Jan. 2003 Ver 1.0