Peripheral Special-Function Registers; Xc196L X Peripheral Sfrs - Intel 87C196CA Supplement To User’s Manual

8XC196L X SUPPLEMENT
3.3

PERIPHERAL SPECIAL-FUNCTION REGISTERS

Table 3-3 lists the peripheral SFR addresses. Highlighted addresses are unique to the 8XC196Lx.
Ports 3, 4, 5, and UPROM SFRs
Address High (Odd) Byte
1FFEH P4_PIN
1FFCH P4_REG
1FFAH SLP_CON
1FF8H Reserved
1FF6H P5_PIN
1FF4H P5_REG
1FF2H P5_DIR
1FF0H P5_MODE
1FEEH Reserved
1FECH Reserved
1FEAH Reserved
1FE8H Reserved
1FE6H Reserved
1FE4H Reserved
1FE2H Reserved
1FE0H Reserved
†
Must be addressed as a word.
3-4
Table 3-3. 8XC196L x Peripheral SFRs
Low (Even) Byte Address
P3_PIN
P3_REG
SLP_CMD
SLP_STAT
USFR
P34_DRV
USFR1 (LA, LB)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Ports 0, 1, 2, and 6 SFRs
High (Odd) Byte
1FDEH Reserved
1FDCH Reserved
1FDAH Reserved
1FD8H Reserved
1FD6H P6_PIN
1FD4H P6_REG
1FD2H P6_DIR
1FD0H P6_MODE
1FCEH P2_PIN
1FCCH P2_REG
1FCAH P2_DIR
1FC8H P2_MODE
1FC6H Reserved
1FC4H Reserved
1FC2H Reserved
1FC0H Reserved
Low (Even) Byte
Reserved
Reserved
P0_PIN
Reserved
P1_PIN
P1_REG
P1_DIR
P1_MODE
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved