Z8F6421PM020SC Datasheet, PDF (92/299 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers Z8 Encore-R 64K Series

Z8 Encore!^® 64K Series
Product Specification
72
Table 34. IRQ2 Enable High Bit Register (IRQ2ENH)
BITS
FIELD
RESET
R/W
ADDR
7
T3ENH
6
5
4
3
U1RENH U1TENH DMAENH C3ENH
0
R/W
FC7H
2
C2ENH
1
C1ENH
T3ENH—Timer 3 Interrupt Request Enable High Bit
U1RENH—UART 1 Receive Interrupt Request Enable High Bit
U1TENH—UART 1 Transmit Interrupt Request Enable High Bit
DMAENH—DMA Interrupt Request Enable High Bit
C3ENH—Port C3 Interrupt Request Enable High Bit
C2ENH—Port C2 Interrupt Request Enable High Bit
C1ENH—Port C1 Interrupt Request Enable High Bit
C0ENH—Port C0 Interrupt Request Enable High Bit
0
C0ENH
Table 35. IRQ2 Enable Low Bit Register (IRQ2ENL)
BITS
FIELD
RESET
R/W
ADDR
7
T3ENL
6
5
4
3
U1RENL U1TENL DMAENL C3ENL
0
R/W
FC8H
2
C2ENL
1
C1ENL
0
C0ENL
T3ENL—Timer 3 Interrupt Request Enable Low Bit
U1RENL—UART 1 Receive Interrupt Request Enable Low Bit
U1TENL—UART 1 Transmit Interrupt Request Enable Low Bit
DMAENL—DMA Interrupt Request Enable Low Bit
C3ENL—Port C3 Interrupt Request Enable Low Bit
C2ENL—Port C2 Interrupt Request Enable Low Bit
C1ENL—Port C1 Interrupt Request Enable Low Bit
C0ENL—Port C0 Interrupt Request Enable Low Bit
Interrupt Edge Select Register
The Interrupt Edge Select (IRQES) register (Table 36) determines whether an interrupt is
generated for the rising edge or falling edge on the selected GPIO Port input pin. The
PS019915-1005
Interrupt Controller