Sony MZ-E55 Service Manual page 19

IC802 AK93C55AV-L
CS 1
SK
2
INSTRUCTION
DI 3
REGISTER
DO 4
IC901 MPC1830ADTB
GND 1
VRMC
2
BAND GAP
3
VREF
REFERENCE
INM
4
5
RF
DTC 6
CRST
7
RESET
8
XRST
VBMON 9 VB SELECT
10
VC
SPCKO
11
SPCK
BUFF
SPCKI 12
C2L 13
C1L 14
VB 15
CHARGE
C1H PUMP
16
C2H
17
VG
18
VREF
INSTRUCTION
DECODE
ADD
CONTROL
BUFFERS
AND
CLOCK
GENERATION
DATA
REGISTER
SYSTEM
CONTROL
OSC1
STEP-UP
DC / DC
CONVERTER
PWM1
MODE
SELECT
SAW
OSC2
VPP
GENERATOR
VPP
SW
DECODER
EEPROM
R/W AMPS
2048bit
AND
128 X 16
AUTO ERASE
36 VSTB
35
XWK1
34
XWK2
33
XWK3
32 XWK4
31 FFCLR
30 SLEEP
29 VBSEL
28 CLK
27
VB2
26
VB1
25 VBH
24 PGND
SW
23
22 PWMI
DI
21
20 DO
VCON
19
– 28 –
8 VCC
PE
7
6 NC
5 GND