L9803 STMicroelectronics, L9803 Datasheet - Page 12

• Manufacturer Part Number: L9803
• Description: Super Smart Power Motor Driver With 8-bit Mcu, Ram, Eeprom, Adc, Wdg, Timers, Pwm And H-bridge Driver
• Manufacturer: STMicroelectronics

General description
Table 1.
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0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h to
000Fh
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h
0018h
0019h
001Ah
001Bh
001Ch
001Dh
001Eh
001Fh
0020h
0021h
0022h
0023h to
0029h
002Ah
002Bh
002Ch
002Dh
002Eh
002Fh
0030h
Address
The highest address bytes contain the user reset and interrupt vectors.
Memory Map
Port A
Port B
PWM1
PWM2
Power
Bridge
WDG
EEPROM
Block
PADR ..
PADDR ..
PAOR ..
PBDR ..
PBDDR ..
PBOR ..
P1CYRH ..
P1CYRL ..
P1DRH ..
P1DRL ..
P1CR ..
P1CTH ..
P1CTL ..
P2CYRH ..
P2CYRL ..
P2DRH ..
P2DRL ..
P2CR ..
P2CTH ..
P2CTL ..
MISCR ..
PBCSR ..
DCSR ..
WDGCR ..
WDGSR ..
EECR ..
Register
Label
Data Register
Data Direction Register
Option Register
Not Used
Data Register
Data Direction Register
Option Register
Not Used
PWM1 Cycle Register High
PWM1 Cycle Register Low
PWM1 Duty Register High
PWM1 Duty Register Low
PWM1 Control Register
PWM1 Counter Register High
PWM1 Counter Register Low
PWM2 Cycle Register High
PWM2 Cycle Register Low
PWM2 Duty Register High
PWM2 Duty Register Low
PWM2 Control Register
PWM2 Counter Register High
PWM2 Counter Register Low
Miscellaneous Register
Bridge Control Status Register
Dedicated Control Status Register
Watchdog Control Register
Watchdog Status Register
EEPROM Control register
Register name
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
7Fh
00h
00h
Status
Reset
R/W
R/W
R/W
R/W
Absent
R/W
R/W
R/W
Absent
R/W
R/W
R/W
R/W
R/W
Read Only
Read Only
R/W
R/W
R/W
R/W
R/W
Read Only
Read Only
see
R/W
R/W
R/W
R/W
Remarks
Section 3.4
L9803