Hitachi H8S/2199 Hardware Manual page 565

3. CTL Input Circuit
The CTL input pin has an amplifier. Figure 26.4 shows the input circuit of CTL.
AMPON AMPSHORT
(PB-CTL) (REC-CTL)
CTLGR3 to 1 CTLFB CTLGR0
- +
+
-
-
+
PB-CTL(+)
PB-CTL(-)
-
CTL( ) CTL(+) CTLREF CTLBias CTLFB CTLAmp(o) CTLSMT(i)
Note
Note: Be sure to connect a capacitor between CTLAmp (o) and CTLSMT (i)
Figure 26.4 CTL Input Circuit
Rev. 1.0, 02/00, page 559 of 1141