Z86D990 Datasheet, PDF (34/102 Pages) Zilog, Inc. – Low-Voltage Micro controllers with ADC

Z86D990/Z86D991 OTP and Z86L99X ROM
Low-Voltage Microcontrollers with ADC
27
Special Functions
Table 7 defines the special functions of Ports 4 and 5.
Table 7. Special Port Pin Functions
Function
Pin
Analog Comparator Inputs
P51
P52
Analog Comparator
P50
References
P53
Analog Comparator Outputs P54
P55
ADC Channels
P44
P45
P46
P47
External Interrupts
P52
P53
P51
T_IN External Clock Input
P52
Capture Timer Input
P51
T1 Timer Output
P56
T8 Output
P40
T16 Output
P41
Combined T8/T16 Output
P43
Controlled Current Output
ZiLOG Test Mode
P41
P42
Signal
Configuration Register
CIN1
P456CON
CIN2
P456CON
CREF1
CREF2
COUT1
COUT2
ADC0
ADCCTRL
ADC1
ADCCTRL
ADC2
ADCCTRL
ADC3
ADCCTRL
IRQ₀
IMR and IRQ
IRQ₁
IMR and IRQ
IRQ₂
IMR and IRQ
T_IN
TMR and PRE1
Demodulator_Input CTR1
T1OUT
TMR
P40_Out
CTR0
P41_Out
CTR2
P43_Out
CTR1
DSn Enable
ASn Enable
P456CON
P456CON
PS003807-1002
PRELIMINARY