EM78862C View Datasheet(PDF) - ELAN Microelectronics
Part Name
Description
MFG CO.
'EM78862C' PDF : 42 Pages View PDF
EM78862C
8-Bit RISC Type Microprocessor
Bit 0 ~ Bit 7(IOC80 ~ IOC87):PORT8(0~7) I/O direction control register
0 → set the relative I/O pin as output
1 → set the relative I/O pin as input (high impedance)
6.2.6 IOC9 (Port9 I/O Control Register) --- Page 0
Bit 7
IOC97
Bit 6
IOC96
Bit 5
IOC95
Bit 4
IOC94
Bit 3
IOC93
Bit 2
IOC92
Bit 1
IOC91
Bit 0
IOC90
Bit 0 ~ Bit 7(IOC90 ~ IOC97):PORT9 (0~7) I/O direction control register
0 → set the relative I/O pin as output
1 → set the relative I/O pin into high impedance (input)
6.2.7 IOCA (CNT1 & CNT2 Clock Source and Scaling) --- Page 0
Bit 7
CNT2S
Bit 6
C2P2
Bit 5
C2P1
Bit 4
C2P0
Bit 3
CNT1S
Bit 2
C1P2
Bit 1
C1P1
Bit 0
C1P0
Bit 0 ~ Bit 2 (C1P0 ~ C1P2): Counter1 scaling
C1P2
0
0
0
0
1
1
1
1
C1P1
0
0
1
1
0
0
1
1
C1P0
0
1
0
1
0
1
0
1
Counter 1
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
Bit 3 (CNT1S):
Counter 1 clock source
0/1 → (16.384kHz or RC/2) / instruction clock
Bit 4 ~ Bit 6 (C2P0 ~ C2P2): Counter2 scaling
C2P2
0
0
0
0
1
1
1
1
C2P1
0
0
1
1
0
0
1
1
C2P0
0
1
0
1
0
1
0
1
Counter 2
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
Bit 7 (CNT2S):
Counter 2 clock source
0/1 → (16.384kHz or RC/2) / instruction clock
18 •
Product Specification (V2.1) 07.13.2005
(This specification is subject to change without further notice)
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