name: MC13538 function: Wideband FM IF Subsystem package: 32 pin TQFP,32 manufacturer: Motorola added-by: Martin Pritchard +------------+--------------+--------------+--------------+ | 1 - MIX OUT| 9 - LIM DEC1| 17 - DEL OUT | 25 - ENABLE | | 2 - Vcc1 | 10 - LIM DEC2| 18 - DS IN1 | 26 - Vee1 | | 3 - IF IN | 11 - nc | 19 - DS OFF | 27 - nc | | 4 - IF DEC1| 12 - LIM OUT | 20 - DS IN2 | 28 - OSC BASE| | 5 - IF DEC2| 13 - QUAD | 21 - DS OUT | 29 - OSC EMIT| | 6 - IF OUT | 14 - nc | 22 - DS GND | 30 - nc | | 7 - Vcc2 | 15 - DET GAIN| 23 - RSSI BUF| 31 - MIX IN1 | | 8 - LIM IN | 16 - Vee2 | 24 - RSSI | 32 - MIX IN2 | +------------+--------------+--------------+--------------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/