s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 338

• Manufacturer Part Number: s3c72m9
• Description: The S3c72m5/s3c72m7/s3c72m9 Single-chip Cmos Microcontroller Has Been Designed For High Performance Using Samsung S
• Manufacturer: Samsung Semiconductor, Inc.

SERIAL I/O INTERFACE
13-2
P0.0/SCK
CPU CLK
fxx/2
TOL1
IRQS
fxx/2
SI
10
4
NOTE: Instruction Execution
SMOD.7
Selector
Clock
Figure 13-1. Serial I/O Interface Circuit Diagram
SMOD.6 SMOD.5
R
S
Q
Q
CK
R
SBUF (8-bit)
Internal Bus
Internal Bus
-
D
8
8
SMOD.3 SMOD.2 SMOD.1 SMOD.0
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
BITS
Over Flow
LSB/MSB
Q0
(note)
3-Bit Counter
Clear
Q1
Q2
SO