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HMS87C1808B Datasheet, PDF (20/99 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS
HMS87C1X04B/08B/16B
• RC0~2, RC7, RD2~7, RE0~6
Data Bus
Data Bus
Data Reg.
Direction Reg.
Data Bus
Read
• RC3 / SRDYIN / SRDYOUT, RC4 / SCKIN / SCK-
Data Bus
Function
Select
Data Bus
SRDYOUT
SCKOUT
Data Reg.
1
0
Direction Reg.
Data Bus
SCKIN
SRDYIN
Read
VDD
VSS
OUT
VDD
VSS
Schmitt Trigger
16
SEP. 2004 Ver 1.03