NO:
W90P710 Programming Guide
VERSION:
2.0
PAGE:
191
The above information is the exclusive intellectual property of Winbond Electronics and shall not be disclosed, distributed or reproduced without permission
from Winbond.
Table No.: 2005-W90P710-11-A
16 Smart Card Host Interface
16.1 Overview
The whole chip of W90P710 operates at voltage level of 3.3 V except Smart Card Interface port's
I/O pins that are at 5 V to be compatible with mainstream Smart Card implementations. Advanced
power management feature further optimizes power consumption whether in operation or in power
down mode.
z
ISO-7816
compliant
z
PC/SC T=0, T=1 compliant
z
16-byte transmitter FIFO and 16-byte receiver FIFO
z
FIFO threshold interrupt to optimize system performance
z
Programmable transmission clock frequency
z
Versatile baud rate configuration
z
UART-like register file structure
z
Versatile 8-bit, 16-bit, 24-bit time-out counter for Ansswer To Reset (ATR) and waiting times
processing.
z
Parity error counter in reception mode and in transmission mode with automatic re-
transmission.
z
Automatic activation and deactivation sequence through an independence sequencer
16.2 Registers
R
: read only,
W
: write only,
R/W
: both read and write,
C
: Only value 0 can be written.
Register
Address
R/W
Description
Reset Value
Smartcard Host Interface 0
SCHI_RBR0
0xFFF8.5000 BDLAB =0
R
Receiver Buffer Register
Undefined
