W65C21S6TPG-14 Western Design Center (WDC), W65C21S6TPG-14 Datasheet - Page 4

• Manufacturer Part Number: W65C21S6TPG-14
• Description: Peripheral Drivers & Components - PCIs Peripheral Interface Adapter
• Manufacturer: Western Design Center (WDC)

Specifications of W65C21S6TPG-14

• Rohs: yes
• Operating Supply Voltage: 1.8 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Package / Case: PDIP-40
• Input Voltage Range (max): 5.5 V
• Minimum Operating Temperature: - 40 C
• Factory Pack Quantity: 10
• Supply Current (max): - 100 mA

IRQAB
IRQBB
RESB
CS2B
RWB
PHI2
CS 0
CS 1
RS 0
RS 1
D0
D1
D2
D3
D4
D5
D6
D7
DA TA INPU T
REG ISTER
DATA BUS
CONTROL
SELECT
BUFFER
& RW B
(DBB )
(DIR)
CHIP
Figure 4 Interface Signals Relationship
Figure 3 W65C21 PIA Block Diagram
PERIPHERAL
PERIPHERAL
REGISTER A
OUTPUT BUS
REGISTER A
REGISTER B
REGISTER B
INPUT BU S
CON TRO L
CON TRO L
OUTPUT
OUTPUT
(CRA )
(ORA)
(ORB )
(CRB )
CONTROL A (ISCA)
INTERRUPT STATUS
INTERUPT STATU S
DA TA DIRECTION
DA TA DIRECTION
CO NTRO L B (ISCB )
PERIPHERAL
REG ISTER A
INTERFACE
REG ISTER B
PERIPHERAL
BUFFER A
INTERFACE
BUFFER B
(DD RA)
(DD RB)
(PIBA )
(PIBB )
CA1
CA2
PA0
PA1
CB1
CB2
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
4