P R E L I M I N A R Y
Table 7. Peripheral Control Block Register Map
Register Name
Offset
62h
60h
5Eh
5Ch
5Ah
58h
56h
54h
52h
50h
Register Name
Offset
Timer 2 max count compare A register
Timer 2 count register
Processor Control Registers:
Peripheral control block relocation register
Reset configuration register
Processor release level register 1
Auxiliary configuration register 2
System configuration register 1
Watchdog timer control register 2
Enable RCU register 1
FEh
F6h
F4h
F2h
F0h
E6h
E4h
E2h
E0h
Timer 1 mode/control register
Timer 1 max count compare B register
Timer 1 max count compare A register
Timer 1 count register
Timer 0 mode/control register
Timer 0 max count compare B register
Timer 0 max count compare A register
Timer 0 count register
Clock prescaler register
Memory partition register
Interrupt Registers:
Serial port 0 interrupt control register 1
Serial port 1 interrupt control register 2
INT4 interrupt control register
INT3 control register
44h
42h
40h
3Eh
3Ch
3Ah
38h
36h
34h
32h
30h
2Eh
2Ch
2Ah
28h
26h
24h
22h
20h
DMA Registers:
DMA 1 control register 1
DAh
D8h
D6h
D4h
D2h
D0h
CAh
C8h
C6h
C4h
C2h
C0h
DMA 1 transfer count register
DMA 1 destination address high register
DMA 1 destination address low register
DMA 1 source address high register
DMA 1 source address low register
DMA 0 control register 1
INT2 control register
INT1 control register
INT0 control register
DMA1/INT6 interrupt control register 1
DMA0/INT5 interrupt control register 1
Timer interrupt control register
Interrupt status register
Interrupt request register 1
Interrupt in-service register 1
Interrupt priority mask register
Interrupt mask register 1
DMA 0 transfer count register
DMA 0 destination address high register
DMA 0 destination address low register
DMA 0 source address high register
DMA 0 source address low register
Chip-Select Registers:
PCS and MCS auxiliary register
Midrange memory chip-select register
Peripheral chip-select register
Low memory chip-select register 1
Upper memory chip-select register
Serial Port 0 Registers:
A8h
A6h
A4h
A2h
A0h
Interrupt poll status register
Interrupt poll register
End-of-interrupt register
Interrupt vector register
Serial Port 1 Registers:
Serial port 0 baud rate divisor register 1
Serial port 0 receive register 1
Serial port 0 transmit register 1
Serial port 0 status register 1
Serial port 0 control register 1
PIO Registers:
88h
86h
84h
82h
80h
Serial port 1 baud rate divisor register 2
Serial port 1 receive register 2
Serial port 1 transmit register 2
Serial port 1 status register 2
Serial port 1 control register 2
18h
16h
14h
12h
10h
Notes:
PIO data 1 register
7Ah
78h
76h
74h
72h
70h
1. The register has been changed from the Am186EM
and Am188EM microcontrollers.
PIO direction 1 register
PIO mode 1 register
2. The register is new.
PIO data 0 register
Note: All unused addresses are reserved and should
PIO direction 0 register
not be accessed.
PIO mode 0 register
Timer Registers:
Timer 2 mode/control register
66h
Am186/188ES and Am186/188ESLV Microcontrollers
43