AMD Am186 ES, User Manual, Page: 62 / 192

Peripheral Control Block 4-2
Table 4-1 Peripheral Control Block Register Map
Register Name Offset Page Register Name Offset Page
Processor Control Registers: Chapters 4 and 6 Timer Registers: Chapter 8
Peripheral control block relocation register FEh 4-3 Timer 2 mode/control register 66h 8-5
Reset configuration register F6h 4-4 Timer 2 max count compare A register 62h 8-7
Processor release level register
F4h 4-5 Timer 2 count register 60h 8-6
Auxiliary configuration register
F2h 4-6 Timer 1 mode/control register 5Eh 8-3
System configuration register
F0h 4-7 Timer 1 max count compare B register 5Ch 8-7
Watchdog timer control register
E6h 6-3 Timer 1 max count compare A register 5Ah 8-7
Enable RCU register
E4h 6-2 Timer 1 count register 58h 8-6
Clock prescaler register E2h 6-2 Timer 0 mode/control register 56h 8-3
Memory partition register E0h 6-1 Timer 0 max count compare B register 54h 8-7
DMA Registers: Chapter 9 Timer 0 max count compare A register 52h 8-7
DMA 1 control register
DAh 9-3 Timer 0 count register 50h 8-6
DMA 1 transfer count register D8h 9-6 Interrupt Registers: Chapter 7
DMA 1 destination address high register D6h 9-7
Serial port 0 interrupt control register
44h 7-18
DMA 1 destination address low register D4h 9-8
Serial port 1 interrupt control register
42h 7-18
DMA 1 source address high register D2h 9-9 INT4 interrupt control register 40h 7-16
DMA 1 source address low register D0h 9-10 INT3 control register 3Eh 7-15
DMA 0 control register CAh 9-3 INT2 control register 3Ch 7-15
DMA 0 transfer count register C8h 9-6 INT1 control register 3Ah 7-14
DMA 0 destination address high register C6h 9-7 INT0 control register 38h 7-14
DMA 0 destination address low register C4h 9-8 DMA1/INT6 interrupt control register 36h 7-17
DMA 0 source address high register C2h 9-9 DMA0/INT5 interrupt control register 34h 7-17
DMA 0 source address low register C0h 9-10 Timer interrupt control register 32h 7-29
Chip-Select Registers: Chapter 5 Interrupt status register 30h 7-19
PCS and MCS auxiliary register A8h 5-10
Interrupt request register
2Eh 7-20
Midrange memory chip-select register A6h 5-8
Interrupt in-service register
2Ch 7-22
Peripheral chip-select register A4h 5-12 Interrupt priority mask register 2Ah 7-23
Low memory chip-select register A2h 5-6
Interrupt mask register
28h 7-34
Upper memory chip-select register A0h 5-4 Interrupt poll status register 26h 7-25
Serial Port 0 Registers: Chapter 10 Interrupt poll register 24h 7-26
Serial port 0 baud rate divisor register
88h 10-13 End-of-interrupt register 22h 7-27
Serial port 0 receive register
86h 10-12 Interrupt vector register 20h 7-36
Serial port 0 transmit register 84h 10-11 Serial Port 1 Registers: Chapter 10
Serial port 0 status register 82h 10-9
Serial port 1 baud rate divisor register
18h 10-13
Serial port 0 control register
80h 10-5
Serial port 1 receive register
16h 10-12
PIO Registers: Chapter 11
Serial port 1 transmit register
14h 10-11
PIO data 1 register 7Ah 11-5
Serial port 1 status register
12h 10-9
PIO direction 1 register 78h 11-4
Serial port 1 control register
10h 10-5
PIO mode 1 register 76h 11-3
PIO data 0 register 74h 11-5
Note: All unused addresses are reserved and should not be
accessed.
PIO direction 0 register 72h 11-4
PIO mode 0 register 70h 11-3