87C196CA/87C196CB - Express
6.0
5. PORT6
On the 87C196CA, P6.2 and P6.3 have been removed from the device and are not available to the
programmer. Corresponding bits in the port registers have been “hard-wired” to provide the
following results when read:
Register Bits
P6_PIN.x
P6_REG.x
P6_DIR.x
P6_MODE.x
NOTE: Writing to these bits has no effect.
(x = 2,3)
(x = 2,3)
(x = 2,3)
(x = 2,3)
When Read
1
1
1
0
DATASHEET REVISION HISTORY
This is the -001 version of the “87C196CA/87C196CB - Express” datasheet.
34
ADVANCE INFORMATION Datasheet