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FO-4500H
[2] IC signal name
IC12: VHiH647702120 (HD6477021X20)
RES
WDTOVF
MD2
MD1
MD0
NIMI
CK
EXTAL
XTAL
VCC
VCC
VCC
VCC
VCC
VCC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
PERIPHERAL ADDRESS BUS (24 BITS)
PERIPHERAL DATA BUS (16 BITS)
INTERNAL ADDRESS BUS (24 BITS)
INTERNAL HIGH-ORDER DATA (16 BITS)
INTERNAL LOW-ORDER DATA (16 BITS)
PORT A
MASK ROM
16KB (SH7020)
32KB (SH7021)
CPU
INTERRUPT
USER
CONTROLLER
BREAK
CONTROLLER
SERIAL COMMUNICATION
INTERFACE (x2 CHANNEL)
PROGRAMMABLE TIMING
PATTERN CONTROLLER
RAM
1kB
DIRECT
MEMORY
ACCESS
CONTROLLER
BUS STATE
CONTROLLER
16-BIT INTEGRATED
TIMER PULSE UNIT
WATCH DOG TIMER
PORT B
8 – 7
ADDRESS
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0 (HBS)
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
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