Maxim Integrated MAXQ Family Users Guide: MAXQ2010 Supplement - Manual (Page 41)

MAXQ Family User’s Guide:
MAXQ2010 Supplement
6-3
Table 6-1. Port Pin Special and Alternate Functions (continued)
PORT PIN FUNCTION TYPE FUNCTION ENABLED WHEN
P5.5 Special SCLK: SPI Clock Output (Master Mode) SPIEN = 1 and MSTM = 1
P5.6 Alternate External Interrupt 14 (EIE1.6) EX14 = 1
P5.6 Special MISO: SPI Slave Output (Slave Mode) SPIEN = 1 and MSTM = 0
P5.6 Alternate MISO: SPI Master Input (Master Mode) SPIEN = 1 and MSTM = 1
P6.0 Alternate JTAG Interface: TAP Clock (TCK) (SC.7) TAP = 1
P6.0 Alternate External Interrupt 15 (EIE2.0) EX15 = 1
P6.1 Alternate JTAG Interface: TAP Data Input (TDI) (SC.7) TAP = 1
P6.1 Alternate External Interrupt 16 (EIE2.1) EX16 = 1
P6.2 Alternate JTAG Interface: TAP Mode Select (TMS) (SC.7) TAP = 1
P6.2 Alternate External Interrupt 17 (EIE2.2) EX17 = 1
P6.3 Special JTAG Interface: TAP Data Output (TDO) (SC.7) TAP = 1
P6.3 Alternate External Interrupt 18 (EIE2.3) EX18 = 1
P6.4 Alternate External Interrupt 19 (EIE2.4) EX19 = 1
P6.4 Alternate Type B Timer 1 Input B EXENB = 1
P6.4 Special Type B Timer 1 Output B (Compare Output)
TBCR:TBCS<>00b
(overrides serial port 1 data)
P6.4 Special Serial Port 1 Data (Mode 0)
Mode 0: SBUF1 is written or REN is set to 1
(until serial transmission completes)
P6.4 Alternate Serial Port 1 Receive (Modes 1/2/3) Modes 1/2/3: REN = 1
P6.5 Alternate External Interrupt 20 (EIE2.5) EX20 = 1
P6.5 Alternate Type B Timer 0 Input A (Counter Input) C/TB = 1
P6.5 Special Type B Timer 0 Output A (Clock Output)
C/TB = 0 and TB0E = 1
(overrides serial port 1 transmit/clock)
P6.5 Special Serial Port 1 Transmit/Clock
Mode 0: REN set to 1 (until serial transmis-
sion completes)
Mode 1/2/3: SBUF1 is written (until serial
transmission completes)
P6.6 Alternate External Interrupt 21 (EIE2.6) EX21 = 1
P6.6 Alternate Type B Timer 2 Input B EXENB = 1
P6.6 Special Type B Timer 2 Output B (Compare Output) TBCR:TBCS<>00b
P6.6 Special SCL: I 2 C Clock Line
I2CEN = 1
(overrides timer B output B)
P6.7 Alternate External Interrupt 22 (EIE2.7) EX22 = 1
P6.7 Alternate Type B Timer 0 Input A (Counter Input) C/TB = 1
P6.7 Special Type B Timer 0 Output A (Clock Output) C/TB = 0 and TB0E = 1
P6.7 Special SDA: I 2 C Data Line
I2CEN = 1
(overrides timer B output A)