UPD77111 NEC, UPD77111 Datasheet - Page 15

• Manufacturer Part Number: UPD77111
• Description: 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
• Manufacturer: NEC

• Serial interface
SCK1
SORQ1
SOEN1
SO1
SIEN1
SI1
SIAK1
SCK2
SOEN2
SO2
SIEN2
SI2
Pin Name
Remark The pins marked “3S” under the heading “I/O” go into a high-impedance state on completion of data
transfer and input of the hardware reset (RESET) signal.
39
42
43
41
46
44
45
38
37
40
47
48
100-pin
TQFP
24
27
28
26
23
22
25
33
29
30
34
35
Pin No.
80-pin
TQFP
J3
J4
H4
G4
H3
G3
F4
J6
F5
G5
G6
H6
80-pin
FBGA
Data Sheet U12801EJ4V0DS00
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
(3S)
(3S)
I/O
Serial 1 clock input
Serial output 1 request
Serial output 1 enable
Serial data output 1
Serial input 1 enable
Serial data input 1
Serial input 1 acknowledge
Serial 2 clock input
Serial output 2 enable
Serial data output 2
Serial input 2 enable
Serial data input 2
Function
PD77110, 77111, 77112
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