EM78451AP EMC [ELAN Microelectronics Corp], EM78451AP Datasheet - Page 20

• Manufacturer Part Number: EM78451AP
• Description: 8-Bit Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

EM78451
8-Bit Microcontroller
16 •
PORT
(in IOCE)
CLK(=Fosc/2)
W DT
W DTE
Fig. 7 (a) The Circuit of I/O Port and I/O Control Register
1
0
Fig. 6 Block Diagram of TCC WDT
1
M
U
X
0
M
U
X
1
0
PAB
8 - to - 1 MUX
M
U
X
W DT tim eout
8- bit Counter
Q
Q
Q
Q
0
(This specification is subject to change without further notice)
MUX
C
C
PCRD
L
L
R
R
P
P
1
CLK
CLK
D
D
2 cycles
SYNC
Product Specification (V1.2) 05.27.2004
PCW R
PDW R
PDRD
TCC overflow interrupt
PSR0~PSR2
PAB
Data Bus
TCC(R1)
IOD