Table 12. maxq2000 port pin input/output states, Maxq family user’s guide: maxq2000 supplement – Maxim Integrated MAXQ Family Users Guide: MAXQ2000 Supplement User Manual
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MAXQ Family User’s Guide:
MAXQ2000 Supplement
The port pins on the MAXQ2000 operate the same as standard MAXQ port pins, with input/output states defined according to Table 12.
Table 12. MAXQ2000 Port Pin Input/Output States
PORT PIN
TYPE
SPECIAL FUNCTION
ENABLED WHEN
P4.0
Input
JTAG Interface—TAP Clock (TCK)
(SC.7) TAP=1
P4.0
Input
External Interrupt 8
EX8=1
P4.1
Input
JTAG Interface—TAP Data Input (TDI)
(SC.7) TAP=1
P4.1
Input
External Interrupt 9
EX9=1
P4.2
Input
JTAG Interface—TAP Mode Select (TMS)
(SC.7) TAP=1
P4.3
Input
JTAG Interface—TAP Data Output (TDO)
(SC.7) TAP=1
P5.4
Input/Output
SPI Slave Select (SSEL)
SPIEN=1
P5.5
Input/Output
SPI Master Out-Slave In (MOSI)
SPIEN=1
P5.6
Input/Output
SPI Slave Clock (SCLK)
SPIEN=1
P5.7
Input/Output
SPI Master In-Slave Out (MISO)
SPIEN=1
P6.0
Output
Timer 1 (Type 2) Secondary Output (T2PB)
T2OE = 10b or 11b
P6.0
Input
External Interrupt 12
EX12=1
P6.1
Input/Output
Timer 1 (Type 2) Input/Output (T2P)
T2OE = 01b or 11b, or G2EN = 1
P6.1
Input
External Interrupt 13
EX13=1
P6.4
Output
Timer 0 (Type 2) Secondary Output (T2PB)
T2OE = 10b or 11b
P6.4
Output
Wakeup Output 0
WKE0=1
P6.5
Input/Output
Timer 0 (Type 2) Input/Output (T2P)
T2OE = 01b or 11b, or G2EN = 1
P6.5
Output
Wakeup Output 1
WKE1=1
P7.0
Output
Serial UART 0 Transmit
SBUF0 written
P7.0
Input
External Interrupt 14
EX14=1
P7.1
Input
Serial UART 0 Receive
REN=1
P7.1
Input
External Interrupt 15
EX15=1
PDx.y
POx.y
PORT PIN MODE
PORT PIN (Px.y) STATE
0
0
Input
Tri-state
0
1
Input
Weak pullup HIGH
1
0
Output
Strong drive LOW
1
1
Output
Strong drive HIGH
Table 11. Port Pin Special Functions (56-Pin Package) (continued)
Maxim Integrated
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