Z80182 Zilog., Z80182 Datasheet - Page 15

• Manufacturer Part Number: Z80182
• Description: Z8018x Family MPU
• Manufacturer: Zilog.

Notes:
* Also controlled by Interrupt Edge/Pin MUX Register
** PC7 and PC6 are inputs only and can read values of /INT1 and /INT2.
DS971820600
Zilog
VQFP
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Pin Number
QFP
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
2
3
Table 5. Primary, Secondary and Tertiary Pin Functions (Continued)
Function
RxDA
/TRxCA
TxDA
/DCDB
/CTSB
TxDB
/TRxCB
RxDB
/RTxCB
/SYNCB
/HALT
/RFSH
/IORQ
/MRD
E
/M1
/WR
/RD
PHI
V
XTAL
EXTAL
/WAIT
/BUSACK
/BUSREQ
/RESET
/NMI
/INT0
/INT1
/INT2
SS
1st
P R E L I M I N A R Y
Function
/HRD
/HWR
/HDDIS
HA0
HA1
HA2
/HCS
/MREQ
PC6**
PC7**
2nd
Function
3rd
Control
SYS CONF REG Bit 1
SYS CONF REG Bit 1
SYS CONF REG Bit 1
SYS CONF REG Bit 1
SYS CONF REG Bit 1
SYS CONF REG Bit 1
SYS CONF REG Bit 1
INT EDG/PIN REG Bit 3
MUX
Z
ILOG
I
NTELLIGENT
Z80182/Z8L182
P
ERIPHERAL
3-15