S3C9004 Datasheet, PDF (6/26 Pages) Samsung semiconductor – SAM87RI family of 8-bit single-chip CMOS microcontrollers

PRODUCT OVERVIEW
S3C9004/P9004/C9014/P9014
PIN CIRCUITS
Table 1-2. Pin Circuit Assignments for the S3C9004/P9004/C9014/P9014
Circuit Number
A
B
C
D
Circuit Type
I
I
I/O
I/O
S3C9004/P9004/C9014/P9014 Assignments
RESET signal input
EA input
Ports 0, 1, and 3
Ports 2 and 4
VDD
PULL-UP
RESISTOR
IN
Noise
Filter
Figure 1-3. Pin Circuit Type A (RESET)
IN
0 V = Internal ROM Access
5 V = External ROM Access
Figure 1-4. Pin Circuit Type B (EA)
OUTPUT
DATA
OPEN
DRAIN
OUTPUT
DISABLE
INPUT
DATA
D0
MUX
D1
VDD
I/O
V_SS
MODE
OUTPUT
INPUT
INPUT DATA
D0
D1
Figure 1-5. Pin Circuit Type C (Ports 0, 1, and 3)
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