SX User’s Manual Rev. 3.1 36 © 2000 Scenix Semiconductor, Inc. All rights reserved. www.scenix.com Chapter 2 Architecture After you write a value to the MODE register, that setting remains in effect until you change it by
writing to the MODE register again. For example, you can write the value 1Eh to the MODE register
just once, and then write to each of the three pullup configuration registers using the three “mov !rx,W”
instructions shown at the top of Table 2-4. For detailed information on configuring and using the I/O ports, see Chapter 5. Table 2-5  MODE Register Settings for SX48/52BD MODE Reg. mov !RA,W mov !RB,W mov !RC,W mov !RD,W mov !RE,W 00h Read T1CPL Read T2CPL 01h Read T1CPH Read T2CPH 02h Read T1R2CML Read T2R2CML 03h Read T1R2CMH Read T2R2CMH 04h Read T1R1CML Read T2R1CML 05h Read T1R1CMH Read T2R1CMH 06h Read T1CNTB Read T2CNTB 07h Read T1CNTA Read T2CNTA 08h Exchange CMP_B 09h Exchange WKPND_B 0Ah Write WKED_B 0Bh Write WKEN_B 0Ch Read ST_B Read ST_C Read ST_D Read ST_E 0Dh Read LVL_A Read LVL_B Read LVL_C Read LVL_D Read LVL_E 0Eh Read PLP_A Read PLP_B Read PLP_C Read PLP_D Read PLP_E 0Fh Read RA
Direction Read RB
Direction Read RC
Direction Read RD
Direction Read RE
Direction 10h Clear Timer T1 Clear Timer T2 11h 12h Write T1R2CML Write T2R2CML 13h Write T1R2CMH Write T2R2CMH 14h Write T1R1CML Write T2R1CML 15h Write T1R1CMH Write T2R1CMH 16h Write T1CNTB Write T2CNTB 17h Write T1CNTA Write T2CNTA 18h Exchange CMP_B 19h Exchange WKPND_B 1Ah Write WKED_B 1Bh Write WKEN_B 1Ch Write ST_B Write ST_C Write ST_D Write ST_E 1Dh Write LVL_A Write LVL_B Write LVL_C Write LVL_D Write LVL_E 1Eh Write PLP_A Write PLP_B Write PLP_C Write PLP_D Write PLP_E 1Fh Write RA
Direction Write RB
Direction Write RC
Direction Write RD
Direction Write RE
Direction